83931368 has 8 divisors (see below), whose sum is σ = 157371330. Its totient is φ = 41965680.

The previous prime is 83931349. The next prime is 83931371. The reversal of 83931368 is 86313938.

It can be written as a sum of positive squares in only one way, i.e., 78180964 + 5750404 = 8842^2 + 2398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245703 + ... + 5245718.

Almost surely, 2^83931368 is an apocalyptic number.

It is an amenable number.

83931368 is a deficient number, since it is larger than the sum of its proper divisors (73439962).

83931368 is a wasteful number, since it uses less digits than its factorization.

83931368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491427 (or 10491423 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 83931368 is about 9161.4064422446. The cubic root of 83931368 is about 437.8326056332.

The spelling of 83931368 in words is "eighty-three million, nine hundred thirty-one thousand, three hundred sixty-eight".