69878999987900 has 36 divisors (see below), whose sum is σ = 152655130878600. Its totient is φ = 27764005358400.

The previous prime is 69878999987899. The next prime is 69878999987957. The reversal of 69878999987900 is 978999987896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2344917986 + ... + 2344947785.

Almost surely, 2^{69878999987900} is an apocalyptic number.

It is an amenable number.

69878999987900 is an abundant number, since it is smaller than the sum of its proper divisors (82776130890700).

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

69878999987900 is a wasteful number, since it uses less digits than its factorization.

69878999987900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689865934 (or 4689865927 counting only the distinct ones).

The product of its (nonzero) digits is 79996750848, while the sum is 98.

The spelling of 69878999987900 in words is "sixty-nine trillion, eight hundred seventy-eight billion, nine hundred ninety-nine million, nine hundred eighty-seven thousand, nine hundred".