82576815 has 8 divisors (see below), whose sum is σ = 132122928. Its totient is φ = 44040960.

The previous prime is 82576807. The next prime is 82576849. The reversal of 82576815 is 51867528.

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

It is not a de Polignac number, because 82576815 - 2³ = 82576807 is a prime.

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, 2752546 + ... + 2752575.

It is an arithmetic number, because the mean of its divisors is an integer number (16515366).

Almost surely, 2^82576815 is an apocalyptic number.

82576815 is a deficient number, since it is larger than the sum of its proper divisors (49546113).

82576815 is a wasteful number, since it uses less digits than its factorization.

82576815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505129.

The product of its digits is 134400, while the sum is 42.

The square root of 82576815 is about 9087.1786050457. The cubic root of 82576815 is about 435.4644530578.

The spelling of 82576815 in words is "eighty-two million, five hundred seventy-six thousand, eight hundred fifteen".