82919759685 has 16 divisors (see below), whose sum is σ = 151624703616. Its totient is φ = 37906175808.

The previous prime is 82919759633. The next prime is 82919759737. The reversal of 82919759685 is 58695791928.

It is an interprime number because it is at equal distance from previous prime (82919759633) and next prime (82919759737).

It is not a de Polignac number, because 82919759685 - 2⁶ = 82919759621 is a prime.

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, 394855894 + ... + 394856103.

It is an arithmetic number, because the mean of its divisors is an integer number (9476543976).

Almost surely, 2^82919759685 is an apocalyptic number.

It is an amenable number.

82919759685 is a deficient number, since it is larger than the sum of its proper divisors (68704943931).

82919759685 is a wasteful number, since it uses less digits than its factorization.

82919759685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789712012.

The product of its digits is 97977600, while the sum is 69.

The spelling of 82919759685 in words is "eighty-two billion, nine hundred nineteen million, seven hundred fifty-nine thousand, six hundred eighty-five".