82579605 has 32 divisors (see below), whose sum is σ = 140797440. Its totient is φ = 41209920.

The previous prime is 82579583. The next prime is 82579613. The reversal of 82579605 is 50697528.

It is not a de Polignac number, because 82579605 - 2⁸ = 82579349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21910 + ... + 25400.

It is an arithmetic number, because the mean of its divisors is an integer number (4399920).

Almost surely, 2^82579605 is an apocalyptic number.

It is an amenable number.

82579605 is a deficient number, since it is larger than the sum of its proper divisors (58217835).

82579605 is a wasteful number, since it uses less digits than its factorization.

82579605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 82579605 is about 9087.3321167436. The cubic root of 82579605 is about 435.4693573082.

The spelling of 82579605 in words is "eighty-two million, five hundred seventy-nine thousand, six hundred five".