83085172 has 24 divisors (see below), whose sum is σ = 148740480. Its totient is φ = 40596960.

The previous prime is 83085139. The next prime is 83085173. The reversal of 83085172 is 27158038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83085173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39729 + ... + 41767.

It is an arithmetic number, because the mean of its divisors is an integer number (6197520).

Almost surely, 2^83085172 is an apocalyptic number.

It is an amenable number.

83085172 is a deficient number, since it is larger than the sum of its proper divisors (65655308).

83085172 is a wasteful number, since it uses less digits than its factorization.

83085172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 83085172 is about 9115.1068013491. The cubic root of 83085172 is about 436.3562234799.

The spelling of 83085172 in words is "eighty-three million, eighty-five thousand, one hundred seventy-two".