82976942965 has 16 divisors (see below), whose sum is σ = 120490889472. Its totient is φ = 53551505664.

The previous prime is 82976942947. The next prime is 82976942977. The reversal of 82976942965 is 56924967928.

It is a cyclic number.

It is not a de Polignac number, because 82976942965 - 2¹³ = 82976934773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82976942965.

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, 69727929 + ... + 69729118.

It is an arithmetic number, because the mean of its divisors is an integer number (7530680592).

Almost surely, 2^82976942965 is an apocalyptic number.

82976942965 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82976942965 is a deficient number, since it is larger than the sum of its proper divisors (37513946507).

82976942965 is a wasteful number, since it uses less digits than its factorization.

82976942965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139457076.

The product of its digits is 117573120, while the sum is 67.

The spelling of 82976942965 in words is "eighty-two billion, nine hundred seventy-six million, nine hundred forty-two thousand, nine hundred sixty-five".