231878674 has 16 divisors (see below), whose sum is σ = 369301248. Its totient is φ = 108816192.

The previous prime is 231878659. The next prime is 231878681. The reversal of 231878674 is 476878132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187 + ... + 21769.

It is an arithmetic number, because the mean of its divisors is an integer number (23081328).

Almost surely, 2^231878674 is an apocalyptic number.

231878674 is a deficient number, since it is larger than the sum of its proper divisors (137422574).

231878674 is a wasteful number, since it uses less digits than its factorization.

231878674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18969.

The product of its digits is 451584, while the sum is 46.

The square root of 231878674 is about 15227.5629698255. The cubic root of 231878674 is about 614.3562338418.

The spelling of 231878674 in words is "two hundred thirty-one million, eight hundred seventy-eight thousand, six hundred seventy-four".