78392500398960 has 960 divisors, whose sum is σ = 291099600576000. Its totient is φ = 17294332723200.

The previous prime is 78392500398887. The next prime is 78392500398997. The reversal of 78392500398960 is 6989300529387.

It is a super-2 number, since 2×78392500398960² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2745878766 + ... + 2745907314.

It is an arithmetic number, because the mean of its divisors is an integer number (303228750600).

Almost surely, 2^{78392500398960} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78392500398960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145549800288000).

78392500398960 is an abundant number, since it is smaller than the sum of its proper divisors (212707100177040).

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

78392500398960 is a wasteful number, since it uses less digits than its factorization.

78392500398960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28730 (or 28707 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 78392500398960 in words is "seventy-eight trillion, three hundred ninety-two billion, five hundred million, three hundred ninety-eight thousand, nine hundred sixty".