82974577 has 8 divisors (see below), whose sum is σ = 99819200. Its totient is φ = 67377744.

The previous prime is 82974517. The next prime is 82974641. The reversal of 82974577 is 77547928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82974577 - 2⁷ = 82974449 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 82974577.

It is not an unprimeable number, because it can be changed into a prime (82974517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311802 + ... + 312067.

It is an arithmetic number, because the mean of its divisors is an integer number (12477400).

Almost surely, 2^82974577 is an apocalyptic number.

It is an amenable number.

82974577 is a deficient number, since it is larger than the sum of its proper divisors (16844623).

82974577 is a wasteful number, since it uses less digits than its factorization.

82974577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623895.

The product of its digits is 987840, while the sum is 49.

The square root of 82974577 is about 9109.0382038940. The cubic root of 82974577 is about 436.1625256807.

The spelling of 82974577 in words is "eighty-two million, nine hundred seventy-four thousand, five hundred seventy-seven".