82575989 has 8 divisors (see below), whose sum is σ = 83307840. Its totient is φ = 81847296.

The previous prime is 82575967. The next prime is 82575991. The reversal of 82575989 is 98957528.

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

It is a cyclic number.

It is not a de Polignac number, because 82575989 - 2⁸ = 82575733 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 82575989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82575929) 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, 106997 + ... + 107765.

It is an arithmetic number, because the mean of its divisors is an integer number (10413480).

Almost surely, 2^82575989 is an apocalyptic number.

It is an amenable number.

82575989 is a deficient number, since it is larger than the sum of its proper divisors (731851).

82575989 is a wasteful number, since it uses less digits than its factorization.

82575989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its digits is 1814400, while the sum is 53.

The square root of 82575989 is about 9087.1331562820. The cubic root of 82575989 is about 435.4630010972.

The spelling of 82575989 in words is "eighty-two million, five hundred seventy-five thousand, nine hundred eighty-nine".