82757905239 has 16 divisors (see below), whose sum is σ = 115377910272. Its totient is φ = 52664771808.

The previous prime is 82757905163. The next prime is 82757905261. The reversal of 82757905239 is 93250975728.

It is a happy number.

It is not a de Polignac number, because 82757905239 - 2¹² = 82757901143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82757905639) 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, 1197804 + ... + 1265009.

It is an arithmetic number, because the mean of its divisors is an integer number (7211119392).

Almost surely, 2^82757905239 is an apocalyptic number.

82757905239 is a deficient number, since it is larger than the sum of its proper divisors (32620005033).

82757905239 is a wasteful number, since it uses less digits than its factorization.

82757905239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463326.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 82757905239 in words is "eighty-two billion, seven hundred fifty-seven million, nine hundred five thousand, two hundred thirty-nine".