678279102480 has 800 divisors, whose sum is σ = 2816958988800. Its totient is φ = 148173898752.

The previous prime is 678279102469. The next prime is 678279102509. The reversal of 678279102480 is 84201972876.

It is a happy number.

678279102480 is a `hidden beast` number, since 6 + 7 + 82 + 79 + 10 + 2 + 480 = 666.

It is a super-2 number, since 2×678279102480² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 551894506 + ... + 551895734.

It is an arithmetic number, because the mean of its divisors is an integer number (3521198736).

Almost surely, 2^678279102480 is an apocalyptic number.

678279102480 is a gapful number since it is divisible by the number (60) 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 678279102480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408479494400).

678279102480 is an abundant number, since it is smaller than the sum of its proper divisors (2138679886320).

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

678279102480 is a wasteful number, since it uses less digits than its factorization.

678279102480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 678279102480 in words is "six hundred seventy-eight billion, two hundred seventy-nine million, one hundred two thousand, four hundred eighty".