82657231775 has 6 divisors (see below), whose sum is σ = 102494967432. Its totient is φ = 66125785400.

The previous prime is 82657231757. The next prime is 82657231823. The reversal of 82657231775 is 57713275628.

It is not a de Polignac number, because 82657231775 - 2⁸ = 82657231519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1653144611 + ... + 1653144660.

It is an arithmetic number, because the mean of its divisors is an integer number (17082494572).

Almost surely, 2^82657231775 is an apocalyptic number.

82657231775 is a deficient number, since it is larger than the sum of its proper divisors (19837735657).

82657231775 is a wasteful number, since it uses less digits than its factorization.

82657231775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306289281 (or 3306289276 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 53.

It can be divided in two parts, 82657 and 231775, that added together give a cube (314432 = 68³).

The spelling of 82657231775 in words is "eighty-two billion, six hundred fifty-seven million, two hundred thirty-one thousand, seven hundred seventy-five".