82715605 has 8 divisors (see below), whose sum is σ = 113438592. Its totient is φ = 56719248.

The previous prime is 82715603. The next prime is 82715623. The reversal of 82715605 is 50651728.

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 82715605 - 2¹ = 82715603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82715603) 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, 1181617 + ... + 1181686.

It is an arithmetic number, because the mean of its divisors is an integer number (14179824).

Almost surely, 2^82715605 is an apocalyptic number.

It is an amenable number.

82715605 is a deficient number, since it is larger than the sum of its proper divisors (30722987).

82715605 is a wasteful number, since it uses less digits than its factorization.

82715605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363315.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 82715605 is about 9094.8119826635. The cubic root of 82715605 is about 435.7082837376.

The spelling of 82715605 in words is "eighty-two million, seven hundred fifteen thousand, six hundred five".