82510085 has 16 divisors (see below), whose sum is σ = 118077696. Its totient is φ = 54117888.

The previous prime is 82510067. The next prime is 82510097. The reversal of 82510085 is 58001528.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82510085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50444 + ... + 52053.

It is an arithmetic number, because the mean of its divisors is an integer number (7379856).

Almost surely, 2^82510085 is an apocalyptic number.

It is an amenable number.

82510085 is a deficient number, since it is larger than the sum of its proper divisors (35567611).

82510085 is a wasteful number, since it uses less digits than its factorization.

82510085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102532.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 82510085 is about 9083.5062063060. The cubic root of 82510085 is about 435.3471224090.

The spelling of 82510085 in words is "eighty-two million, five hundred ten thousand, eighty-five".