83899372 has 12 divisors (see below), whose sum is σ = 146888056. Its totient is φ = 41931360.

The previous prime is 83899363. The next prime is 83899373. The reversal of 83899372 is 27399838.

It is not an unprimeable number, because it can be changed into a prime (83899373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15403 + ... + 20125.

Almost surely, 2^83899372 is an apocalyptic number.

It is an amenable number.

83899372 is a deficient number, since it is larger than the sum of its proper divisors (62988684).

83899372 is a wasteful number, since it uses less digits than its factorization.

83899372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168 (or 9166 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 83899372 is about 9159.6600373595. The cubic root of 83899372 is about 437.7769622629.

The spelling of 83899372 in words is "eighty-three million, eight hundred ninety-nine thousand, three hundred seventy-two".