78470923924 has 12 divisors (see below), whose sum is σ = 138146418144. Its totient is φ = 39000518744.

The previous prime is 78470923889. The next prime is 78470923961. The reversal of 78470923924 is 42932907487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58735054 + ... + 58736389.

It is an arithmetic number, because the mean of its divisors is an integer number (11512201512).

Almost surely, 2^78470923924 is an apocalyptic number.

It is an amenable number.

78470923924 is a deficient number, since it is larger than the sum of its proper divisors (59675494220).

78470923924 is a wasteful number, since it uses less digits than its factorization.

78470923924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117471614 (or 117471612 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 78470923924 in words is "seventy-eight billion, four hundred seventy million, nine hundred twenty-three thousand, nine hundred twenty-four".