880662731805864 has 512 divisors, whose sum is σ = 2983499762073600. Its totient is φ = 235386402693120.

The previous prime is 880662731805851. The next prime is 880662731805887. The reversal of 880662731805864 is 468508137266088.

880662731805864 is a `hidden beast` number, since 8 + 8 + 0 + 6 + 6 + 2 + 7 + 31 + 8 + 0 + 586 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 880662731805792 and 880662731805801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 193250814 + ... + 197755410.

It is an arithmetic number, because the mean of its divisors is an integer number (5827147972800).

Almost surely, 2^{880662731805864} is an apocalyptic number.

880662731805864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 880662731805864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491749881036800).

880662731805864 is an abundant number, since it is smaller than the sum of its proper divisors (2102837030267736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

880662731805864 is a wasteful number, since it uses less digits than its factorization.

880662731805864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504790 (or 4504780 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 72.

The spelling of 880662731805864 in words is "eight hundred eighty trillion, six hundred sixty-two billion, seven hundred thirty-one million, eight hundred five thousand, eight hundred sixty-four".