231877439660 has 12 divisors (see below), whose sum is σ = 486942623328. Its totient is φ = 92750975856.

The previous prime is 231877439657. The next prime is 231877439711. The reversal of 231877439660 is 66934778132.

It is a junction number, because it is equal to n+sod(n) for n = 231877439596 and 231877439605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5796935972 + ... + 5796936011.

It is an arithmetic number, because the mean of its divisors is an integer number (40578551944).

Almost surely, 2^231877439660 is an apocalyptic number.

231877439660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231877439660 is an abundant number, since it is smaller than the sum of its proper divisors (255065183668).

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

231877439660 is a wasteful number, since it uses less digits than its factorization.

231877439660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11593871992 (or 11593871990 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 231877439660 in words is "two hundred thirty-one billion, eight hundred seventy-seven million, four hundred thirty-nine thousand, six hundred sixty".