231878672 has 10 divisors (see below), whose sum is σ = 449264958. Its totient is φ = 115939328.

The previous prime is 231878659. The next prime is 231878681. The reversal of 231878672 is 276878132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 188897536 + 42981136 = 13744^2 + 6556^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7246193 + ... + 7246224.

Almost surely, 2^231878672 is an apocalyptic number.

It is an amenable number.

231878672 is a deficient number, since it is larger than the sum of its proper divisors (217386286).

231878672 is a wasteful number, since it uses less digits than its factorization.

231878672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492425 (or 14492419 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 231878672 is about 15227.5629041551. The cubic root of 231878672 is about 614.3562320755.

The spelling of 231878672 in words is "two hundred thirty-one million, eight hundred seventy-eight thousand, six hundred seventy-two".