83508837 has 16 divisors (see below), whose sum is σ = 117035520. Its totient is φ = 52862832.

The previous prime is 83508833. The next prime is 83508847. The reversal of 83508837 is 73880538.

It is not a de Polignac number, because 83508837 - 2² = 83508833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83508833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5238 + ... + 13944.

It is an arithmetic number, because the mean of its divisors is an integer number (7314720).

Almost surely, 2^83508837 is an apocalyptic number.

It is an amenable number.

83508837 is a deficient number, since it is larger than the sum of its proper divisors (33526683).

83508837 is a wasteful number, since it uses less digits than its factorization.

83508837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 83508837 is about 9138.3169675822. The cubic root of 83508837 is about 437.0966505081.

The spelling of 83508837 in words is "eighty-three million, five hundred eight thousand, eight hundred thirty-seven".