78749575000 has 48 divisors (see below), whose sum is σ = 184557562560. Its totient is φ = 31499820000.

The previous prime is 78749574991. The next prime is 78749575019. The reversal of 78749575000 is 57594787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1549992 + ... + 1599991.

It is an arithmetic number, because the mean of its divisors is an integer number (3844949220).

Almost surely, 2^78749575000 is an apocalyptic number.

It is an amenable number.

78749575000 is an abundant number, since it is smaller than the sum of its proper divisors (105807987560).

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

78749575000 is an equidigital number, since it uses as much as digits as its factorization.

78749575000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150014 (or 3149990 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 78749575000 in words is "seventy-eight billion, seven hundred forty-nine million, five hundred seventy-five thousand".