83900637 has 32 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 51684480.

The previous prime is 83900623. The next prime is 83900639. The reversal of 83900637 is 73600938.

It is not a de Polignac number, because 83900637 - 2¹¹ = 83898589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83900639) 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 31 ways as a sum of consecutive naturals, for example, 19039 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^83900637 is an apocalyptic number.

It is an amenable number.

83900637 is a deficient number, since it is larger than the sum of its proper divisors (50163363).

83900637 is a wasteful number, since it uses less digits than its factorization.

83900637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 83900637 is about 9159.7290898803. The cubic root of 83900637 is about 437.7791624584.

The spelling of 83900637 in words is "eighty-three million, nine hundred thousand, six hundred thirty-seven".