230577691878 has 32 divisors (see below), whose sum is σ = 512796273120. Its totient is φ = 76799020320.

The previous prime is 230577691849. The next prime is 230577691961. The reversal of 230577691878 is 878196775032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602913 + ... + 1740828.

It is an arithmetic number, because the mean of its divisors is an integer number (16024883535).

Almost surely, 2^230577691878 is an apocalyptic number.

230577691878 is an abundant number, since it is smaller than the sum of its proper divisors (282218581242).

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

230577691878 is a wasteful number, since it uses less digits than its factorization.

230577691878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345029 (or 3345023 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 230577691878 in words is "two hundred thirty billion, five hundred seventy-seven million, six hundred ninety-one thousand, eight hundred seventy-eight".