83527957 has 4 divisors (see below), whose sum is σ = 83577676. Its totient is φ = 83478240.

The previous prime is 83527931. The next prime is 83527967. The reversal of 83527957 is 75972538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75972538 = 2 ⋅37986269.

It can be written as a sum of positive squares in 2 ways, for example, as 41654116 + 41873841 = 6454^2 + 6471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83527957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83527967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22248 + ... + 25729.

It is an arithmetic number, because the mean of its divisors is an integer number (20894419).

Almost surely, 2^83527957 is an apocalyptic number.

It is an amenable number.

83527957 is a deficient number, since it is larger than the sum of its proper divisors (49719).

83527957 is a wasteful number, since it uses less digits than its factorization.

83527957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49718.

The product of its digits is 529200, while the sum is 46.

The square root of 83527957 is about 9139.3630522045. The cubic root of 83527957 is about 437.1300068590.

The spelling of 83527957 in words is "eighty-three million, five hundred twenty-seven thousand, nine hundred fifty-seven".