74887123512 has 64 divisors (see below), whose sum is σ = 188436142080. Its totient is φ = 24800274432.

The previous prime is 74887123501. The next prime is 74887123523. The reversal of 74887123512 is 21532178847.

It is an interprime number because it is at equal distance from previous prime (74887123501) and next prime (74887123523).

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, 3635113 + ... + 3655655.

It is an arithmetic number, because the mean of its divisors is an integer number (2944314720).

Almost surely, 2^74887123512 is an apocalyptic number.

It is an amenable number.

74887123512 is an abundant number, since it is smaller than the sum of its proper divisors (113549018568).

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

74887123512 is a wasteful number, since it uses less digits than its factorization.

74887123512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21532 (or 21528 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The spelling of 74887123512 in words is "seventy-four billion, eight hundred eighty-seven million, one hundred twenty-three thousand, five hundred twelve".