78848570016 has 84 divisors (see below), whose sum is σ = 232743282282. Its totient is φ = 26282848896.

The previous prime is 78848569999. The next prime is 78848570033. The reversal of 78848570016 is 61007584887.

It is a happy number.

78848570016 is a `hidden beast` number, since 7 + 88 + 485 + 70 + 0 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (78848569999) and next prime (78848570033).

It can be written as a sum of positive squares in only one way, i.e., 52077065616 + 26771504400 = 228204^2 + 163620^2 .

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 (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1666671 + ... + 1713326.

Almost surely, 2^78848570016 is an apocalyptic number.

It is an amenable number.

78848570016 is an abundant number, since it is smaller than the sum of its proper divisors (153894712266).

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

78848570016 is an equidigital number, since it uses as much as digits as its factorization.

78848570016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380025 (or 3380002 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 78848570016 in words is "seventy-eight billion, eight hundred forty-eight million, five hundred seventy thousand, sixteen".