82328957 has 4 divisors (see below), whose sum is σ = 86662080. Its totient is φ = 77995836.

The previous prime is 82328951. The next prime is 82328989. The reversal of 82328957 is 75982328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82328957 - 2¹⁰ = 82327933 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 (82328951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166533 + ... + 2166570.

It is an arithmetic number, because the mean of its divisors is an integer number (21665520).

Almost surely, 2^82328957 is an apocalyptic number.

It is an amenable number.

82328957 is a deficient number, since it is larger than the sum of its proper divisors (4333123).

82328957 is a wasteful number, since it uses less digits than its factorization.

82328957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333122.

The product of its digits is 241920, while the sum is 44.

The square root of 82328957 is about 9073.5305697397. The cubic root of 82328957 is about 435.0283277452.

The spelling of 82328957 in words is "eighty-two million, three hundred twenty-eight thousand, nine hundred fifty-seven".