868499075900 has 72 divisors (see below), whose sum is σ = 1893031182000. Its totient is φ = 345855329280.

The previous prime is 868499075897. The next prime is 868499075911. The reversal of 868499075900 is 9570994868.

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 23 ways as a sum of consecutive naturals, for example, 39236036 + ... + 39258164.

It is an arithmetic number, because the mean of its divisors is an integer number (26292099750).

Almost surely, 2^868499075900 is an apocalyptic number.

It is an amenable number.

868499075900 is an abundant number, since it is smaller than the sum of its proper divisors (1024532106100).

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

868499075900 is a wasteful number, since it uses less digits than its factorization.

868499075900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23871 (or 23864 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 868499075900 in words is "eight hundred sixty-eight billion, four hundred ninety-nine million, seventy-five thousand, nine hundred".