870266880 has 576 divisors, whose sum is σ = 3679603200. Its totient is φ = 185794560.

The previous prime is 870266863. The next prime is 870266909. The reversal of 870266880 is 88662078.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12257245 + ... + 12257315.

It is an arithmetic number, because the mean of its divisors is an integer number (6388200).

Almost surely, 2^870266880 is an apocalyptic number.

870266880 is a gapful number since it is divisible by the number (80) 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 870266880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839801600).

870266880 is an abundant number, since it is smaller than the sum of its proper divisors (2809336320).

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

870266880 is a wasteful number, since it uses less digits than its factorization.

870266880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 870266880 is about 29500.2861003076. The cubic root of 870266880 is about 954.7378756672.

The spelling of 870266880 in words is "eight hundred seventy million, two hundred sixty-six thousand, eight hundred eighty".