233978564404 has 24 divisors (see below), whose sum is σ = 440988071048. Its totient is φ = 107983134720.

The previous prime is 233978564389. The next prime is 233978564429. The reversal of 233978564404 is 404465879332.

It can be written as a sum of positive squares in 4 ways, for example, as 563967504 + 233414596900 = 23748^2 + 483130^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716644 + ... + 990724.

Almost surely, 2^233978564404 is an apocalyptic number.

It is an amenable number.

233978564404 is a deficient number, since it is larger than the sum of its proper divisors (207009506644).

233978564404 is a wasteful number, since it uses less digits than its factorization.

233978564404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290515 (or 290513 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 233978564404 in words is "two hundred thirty-three billion, nine hundred seventy-eight million, five hundred sixty-four thousand, four hundred four".