78970750794 has 128 divisors (see below), whose sum is σ = 206562908160. Its totient is φ = 22131532800.

The previous prime is 78970750787. The next prime is 78970750819. The reversal of 78970750794 is 49705707987.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263224 + ... + 476684.

It is an arithmetic number, because the mean of its divisors is an integer number (1613772720).

Almost surely, 2^78970750794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78970750794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103281454080).

78970750794 is an abundant number, since it is smaller than the sum of its proper divisors (127592157366).

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

78970750794 is a wasteful number, since it uses less digits than its factorization.

78970750794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213533 (or 213527 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 63.

The spelling of 78970750794 in words is "seventy-eight billion, nine hundred seventy million, seven hundred fifty thousand, seven hundred ninety-four".