82501975605 has 16 divisors (see below), whose sum is σ = 150860755584. Its totient is φ = 37715188800.

The previous prime is 82501975573. The next prime is 82501975651. The reversal of 82501975605 is 50657910528.

It is a happy number.

It is not a de Polignac number, because 82501975605 - 2⁵ = 82501975573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392866446 + ... + 392866655.

It is an arithmetic number, because the mean of its divisors is an integer number (9428797224).

Almost surely, 2^82501975605 is an apocalyptic number.

It is an amenable number.

82501975605 is a deficient number, since it is larger than the sum of its proper divisors (68358779979).

82501975605 is a wasteful number, since it uses less digits than its factorization.

82501975605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785733116.

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 82501975605 in words is "eighty-two billion, five hundred one million, nine hundred seventy-five thousand, six hundred five".