78898582756 has 48 divisors (see below), whose sum is σ = 158838269184. Its totient is φ = 33590906496.

The previous prime is 78898582739. The next prime is 78898582769. The reversal of 78898582756 is 65728589887.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6644881 + ... + 6656743.

It is an arithmetic number, because the mean of its divisors is an integer number (3309130608).

Almost surely, 2^78898582756 is an apocalyptic number.

It is an amenable number.

78898582756 is an abundant number, since it is smaller than the sum of its proper divisors (79939686428).

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

78898582756 is a wasteful number, since it uses less digits than its factorization.

78898582756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420 (or 13418 counting only the distinct ones).

The product of its digits is 541900800, while the sum is 73.

The spelling of 78898582756 in words is "seventy-eight billion, eight hundred ninety-eight million, five hundred eighty-two thousand, seven hundred fifty-six".