78796221712896 has 80 divisors (see below), whose sum is σ = 210419058880800. Its totient is φ = 26202721087488.

The previous prime is 78796221712891. The next prime is 78796221712909. The reversal of 78796221712896 is 69821712269787.

It is not an unprimeable number, because it can be changed into a prime (78796221712891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60573151 + ... + 61860318.

It is an arithmetic number, because the mean of its divisors is an integer number (2630238236010).

Almost surely, 2^{78796221712896} is an apocalyptic number.

It is an amenable number.

78796221712896 is an abundant number, since it is smaller than the sum of its proper divisors (131622837167904).

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

78796221712896 is a wasteful number, since it uses less digits than its factorization.

78796221712896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122433909 (or 122433893 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 75.

The spelling of 78796221712896 in words is "seventy-eight trillion, seven hundred ninety-six billion, two hundred twenty-one million, seven hundred twelve thousand, eight hundred ninety-six".