82712615 has 8 divisors (see below), whose sum is σ = 99323088. Its totient is φ = 66124800.

The previous prime is 82712603. The next prime is 82712629. The reversal of 82712615 is 51621728.

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

It is not a de Polignac number, because 82712615 - 2⁶ = 82712551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3815 + ... + 13415.

It is an arithmetic number, because the mean of its divisors is an integer number (12415386).

Almost surely, 2^82712615 is an apocalyptic number.

82712615 is a deficient number, since it is larger than the sum of its proper divisors (16610473).

82712615 is a wasteful number, since it uses less digits than its factorization.

82712615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329.

The product of its digits is 6720, while the sum is 32.

The square root of 82712615 is about 9094.6476017491. The cubic root of 82712615 is about 435.7030336865.

The spelling of 82712615 in words is "eighty-two million, seven hundred twelve thousand, six hundred fifteen".