78796222972 has 12 divisors (see below), whose sum is σ = 139554756936. Its totient is φ = 38923435280.

The previous prime is 78796222969. The next prime is 78796222991. The reversal of 78796222972 is 27922269787.

It is a self number, because there is not a number n which added to its sum of digits gives 78796222972.

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, 118668679 + ... + 118669342.

It is an arithmetic number, because the mean of its divisors is an integer number (11629563078).

Almost surely, 2^78796222972 is an apocalyptic number.

It is an amenable number.

78796222972 is a deficient number, since it is larger than the sum of its proper divisors (60758533964).

78796222972 is a wasteful number, since it uses less digits than its factorization.

78796222972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237338108 (or 237338106 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The spelling of 78796222972 in words is "seventy-eight billion, seven hundred ninety-six million, two hundred twenty-two thousand, nine hundred seventy-two".