207138875888 has 20 divisors (see below), whose sum is σ = 458664654000. Its totient is φ = 88773803904.

The previous prime is 207138875849. The next prime is 207138875893. The reversal of 207138875888 is 888578831702.

207138875888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924727013 + ... + 924727236.

It is an arithmetic number, because the mean of its divisors is an integer number (22933232700).

Almost surely, 2^207138875888 is an apocalyptic number.

207138875888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

207138875888 is an abundant number, since it is smaller than the sum of its proper divisors (251525778112).

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

207138875888 is a wasteful number, since it uses less digits than its factorization.

207138875888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849454264 (or 1849454258 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 65.

The spelling of 207138875888 in words is "two hundred seven billion, one hundred thirty-eight million, eight hundred seventy-five thousand, eight hundred eighty-eight".