78901122084252 has 48 divisors (see below), whose sum is σ = 202005195023520. Its totient is φ = 23819206664448.

The previous prime is 78901122084203. The next prime is 78901122084277. The reversal of 78901122084252 is 25248022110987.

It is a junction number, because it is equal to n+sod(n) for n = 78901122084195 and 78901122084204.

It is a congruent number.

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, 4771467427 + ... + 4771483962.

It is an arithmetic number, because the mean of its divisors is an integer number (4208441562990).

Almost surely, 2^{78901122084252} is an apocalyptic number.

It is an amenable number.

78901122084252 is an abundant number, since it is smaller than the sum of its proper divisors (123104072939268).

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

78901122084252 is a wasteful number, since it uses less digits than its factorization.

78901122084252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542951462 (or 9542951460 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 78901122084252 in words is "seventy-eight trillion, nine hundred one billion, one hundred twenty-two million, eighty-four thousand, two hundred fifty-two".