78925913562 has 16 divisors (see below), whose sum is σ = 161701872192. Its totient is φ = 25666963680.

The previous prime is 78925913509. The next prime is 78925913567. The reversal of 78925913562 is 26531952987.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78925913567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 160418278 + ... + 160418769.

It is an arithmetic number, because the mean of its divisors is an integer number (10106367012).

Almost surely, 2^78925913562 is an apocalyptic number.

78925913562 is an abundant number, since it is smaller than the sum of its proper divisors (82775958630).

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

78925913562 is a wasteful number, since it uses less digits than its factorization.

78925913562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320837093.

The product of its digits is 8164800, while the sum is 57.

The spelling of 78925913562 in words is "seventy-eight billion, nine hundred twenty-five million, nine hundred thirteen thousand, five hundred sixty-two".