231927588788 has 12 divisors (see below), whose sum is σ = 463855177632. Its totient is φ = 99397538040.

The previous prime is 231927588749. The next prime is 231927588791. The reversal of 231927588788 is 887885729132.

It is a happy number.

231927588788 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141564058 + ... + 4141564113.

It is an arithmetic number, because the mean of its divisors is an integer number (38654598136).

Almost surely, 2^231927588788 is an apocalyptic number.

231927588788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231927588788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231927588788 is a wasteful number, since it uses less digits than its factorization.

231927588788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283128182 (or 8283128180 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 68.

The spelling of 231927588788 in words is "two hundred thirty-one billion, nine hundred twenty-seven million, five hundred eighty-eight thousand, seven hundred eighty-eight".