78368931348 has 24 divisors (see below), whose sum is σ = 185960177760. Its totient is φ = 25680214560.

The previous prime is 78368931317. The next prime is 78368931359. The reversal of 78368931348 is 84313986387.

It is a super-2 number, since 2×78368931348² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78368931291 and 78368931300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55344583 + ... + 55345998.

It is an arithmetic number, because the mean of its divisors is an integer number (7748340740).

Almost surely, 2^78368931348 is an apocalyptic number.

It is an amenable number.

78368931348 is an abundant number, since it is smaller than the sum of its proper divisors (107591246412).

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

78368931348 is a wasteful number, since it uses less digits than its factorization.

78368931348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110690647 (or 110690645 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 78368931348 in words is "seventy-eight billion, three hundred sixty-eight million, nine hundred thirty-one thousand, three hundred forty-eight".