82957193923 has 4 divisors (see below), whose sum is σ = 82969580448. Its totient is φ = 82944807400.

The previous prime is 82957193909. The next prime is 82957193971. The reversal of 82957193923 is 32939175928.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82957193923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82957196923) 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, 6183211 + ... + 6196612.

It is an arithmetic number, because the mean of its divisors is an integer number (20742395112).

Almost surely, 2^82957193923 is an apocalyptic number.

82957193923 is a deficient number, since it is larger than the sum of its proper divisors (12386525).

82957193923 is a wasteful number, since it uses less digits than its factorization.

82957193923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12386524.

The product of its digits is 7348320, while the sum is 58.

The spelling of 82957193923 in words is "eighty-two billion, nine hundred fifty-seven million, one hundred ninety-three thousand, nine hundred twenty-three".