82680692 has 6 divisors (see below), whose sum is σ = 144691218. Its totient is φ = 41340344.

The previous prime is 82680659. The next prime is 82680709. The reversal of 82680692 is 29608628.

It can be written as a sum of positive squares in only one way, i.e., 82373776 + 306916 = 9076^2 + 554^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10335083 + ... + 10335090.

It is an arithmetic number, because the mean of its divisors is an integer number (24115203).

Almost surely, 2^82680692 is an apocalyptic number.

It is an amenable number.

82680692 is a deficient number, since it is larger than the sum of its proper divisors (62010526).

82680692 is a wasteful number, since it uses less digits than its factorization.

82680692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20670177 (or 20670175 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 82680692 is about 9092.8923891136. The cubic root of 82680692 is about 435.6469731621.

It can be divided in two parts, 826 and 80692, that added together give a palindrome (81518).

The spelling of 82680692 in words is "eighty-two million, six hundred eighty thousand, six hundred ninety-two".