82657646342 has 32 divisors (see below), whose sum is σ = 126339969024. Its totient is φ = 40550479200.

The previous prime is 82657646329. The next prime is 82657646371. The reversal of 82657646342 is 24364675628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28335068 + ... + 28337984.

It is an arithmetic number, because the mean of its divisors is an integer number (3948124032).

Almost surely, 2^82657646342 is an apocalyptic number.

82657646342 is a deficient number, since it is larger than the sum of its proper divisors (43682322682).

82657646342 is a wasteful number, since it uses less digits than its factorization.

82657646342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884.

The product of its digits is 11612160, while the sum is 53.

The spelling of 82657646342 in words is "eighty-two billion, six hundred fifty-seven million, six hundred forty-six thousand, three hundred forty-two".