83515085 has 16 divisors (see below), whose sum is σ = 103887360. Its totient is φ = 64384320.

The previous prime is 83515049. The next prime is 83515097. The reversal of 83515085 is 58051538.

It is not a de Polignac number, because 83515085 - 2⁶ = 83515021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40694 + ... + 42696.

It is an arithmetic number, because the mean of its divisors is an integer number (6492960).

Almost surely, 2^83515085 is an apocalyptic number.

It is an amenable number.

83515085 is a deficient number, since it is larger than the sum of its proper divisors (20372275).

83515085 is a wasteful number, since it uses less digits than its factorization.

83515085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 83515085 is about 9138.6588184481. The cubic root of 83515085 is about 437.1075511978.

The spelling of 83515085 in words is "eighty-three million, five hundred fifteen thousand, eighty-five".