82500686 has 16 divisors (see below), whose sum is σ = 125679600. Its totient is φ = 40611648.

The previous prime is 82500667. The next prime is 82500697. The reversal of 82500686 is 68600528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47021 + ... + 48743.

It is an arithmetic number, because the mean of its divisors is an integer number (7854975).

Almost surely, 2^82500686 is an apocalyptic number.

82500686 is a deficient number, since it is larger than the sum of its proper divisors (43178914).

82500686 is a wasteful number, since it uses less digits than its factorization.

82500686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 82500686 is about 9082.9888252711. The cubic root of 82500686 is about 435.3305911653.

The spelling of 82500686 in words is "eighty-two million, five hundred thousand, six hundred eighty-six".