78925844424 has 32 divisors (see below), whose sum is σ = 225502413120. Its totient is φ = 22550241216.

The previous prime is 78925844401. The next prime is 78925844467. The reversal of 78925844424 is 42444852987.

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, 234898179 + ... + 234898514.

It is an arithmetic number, because the mean of its divisors is an integer number (7046950410).

Almost surely, 2^78925844424 is an apocalyptic number.

It is an amenable number.

78925844424 is an abundant number, since it is smaller than the sum of its proper divisors (146576568696).

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

78925844424 is a wasteful number, since it uses less digits than its factorization.

78925844424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469796709 (or 469796705 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 57.

The spelling of 78925844424 in words is "seventy-eight billion, nine hundred twenty-five million, eight hundred forty-four thousand, four hundred twenty-four".