78965593922 has 32 divisors (see below), whose sum is σ = 119876500800. Its totient is φ = 39010074048.

The previous prime is 78965593907. The next prime is 78965593933. The reversal of 78965593922 is 22939556987.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90040148 + ... + 90041024.

It is an arithmetic number, because the mean of its divisors is an integer number (3746140650).

Almost surely, 2^78965593922 is an apocalyptic number.

78965593922 is a deficient number, since it is larger than the sum of its proper divisors (40910906878).

78965593922 is a wasteful number, since it uses less digits than its factorization.

78965593922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

The product of its digits is 73483200, while the sum is 65.

The spelling of 78965593922 in words is "seventy-eight billion, nine hundred sixty-five million, five hundred ninety-three thousand, nine hundred twenty-two".