83172039 has 16 divisors (see below), whose sum is σ = 116050944. Its totient is φ = 52920000.

The previous prime is 83172017. The next prime is 83172053. The reversal of 83172039 is 93027138.

It is not a de Polignac number, because 83172039 - 2⁹ = 83171527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83172539) 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, 664 + ... + 12914.

It is an arithmetic number, because the mean of its divisors is an integer number (7253184).

Almost surely, 2^83172039 is an apocalyptic number.

83172039 is a deficient number, since it is larger than the sum of its proper divisors (32878905).

83172039 is a wasteful number, since it uses less digits than its factorization.

83172039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 83172039 is about 9119.8705582919. The cubic root of 83172039 is about 436.5082431995.

The spelling of 83172039 in words is "eighty-three million, one hundred seventy-two thousand, thirty-nine".