78936376320 has 264 divisors, whose sum is σ = 282340581120. Its totient is φ = 20370309120.

The previous prime is 78936376243. The next prime is 78936376331. The reversal of 78936376320 is 2367363987.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1400851 + ... + 1456109.

Almost surely, 2^78936376320 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 78936376320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141170290560).

78936376320 is an abundant number, since it is smaller than the sum of its proper divisors (203404204800).

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

78936376320 is a wasteful number, since it uses less digits than its factorization.

78936376320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55321 (or 55300 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 78936376320 in words is "seventy-eight billion, nine hundred thirty-six million, three hundred seventy-six thousand, three hundred twenty".