78604389750 has 32 divisors (see below), whose sum is σ = 196196558688. Its totient is φ = 20961170400.

The previous prime is 78604389739. The next prime is 78604389763. The reversal of 78604389750 is 5798340687.

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, 52402177 + ... + 52403676.

It is an arithmetic number, because the mean of its divisors is an integer number (6131142459).

Almost surely, 2^78604389750 is an apocalyptic number.

78604389750 is an abundant number, since it is smaller than the sum of its proper divisors (117592168938).

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

78604389750 is a wasteful number, since it uses less digits than its factorization.

78604389750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104805873 (or 104805863 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 78604389750 in words is "seventy-eight billion, six hundred four million, three hundred eighty-nine thousand, seven hundred fifty".