83112575 has 72 divisors (see below), whose sum is σ = 137147472. Its totient is φ = 49351680.

The previous prime is 83112569. The next prime is 83112583. The reversal of 83112575 is 57521138.

It is not a de Polignac number, because 83112575 - 2⁸ = 83112319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 270572 + ... + 270878.

It is an arithmetic number, because the mean of its divisors is an integer number (1904826).

Almost surely, 2^83112575 is an apocalyptic number.

83112575 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83112575 is a deficient number, since it is larger than the sum of its proper divisors (54034897).

83112575 is a wasteful number, since it uses less digits than its factorization.

83112575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 349 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 83112575 is about 9116.6098413829. The cubic root of 83112575 is about 436.4041909449.

The spelling of 83112575 in words is "eighty-three million, one hundred twelve thousand, five hundred seventy-five".