82500791289 has 16 divisors (see below), whose sum is σ = 125812460928. Its totient is φ = 47106945792.

The previous prime is 82500791273. The next prime is 82500791311. The reversal of 82500791289 is 98219700528.

It is not a de Polignac number, because 82500791289 - 2⁴ = 82500791273 is a prime.

It is a super-2 number, since 2×82500791289² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82500791209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487262 + ... + 1541735.

It is an arithmetic number, because the mean of its divisors is an integer number (7863278808).

Almost surely, 2^82500791289 is an apocalyptic number.

It is an amenable number.

82500791289 is a deficient number, since it is larger than the sum of its proper divisors (43311669639).

82500791289 is a wasteful number, since it uses less digits than its factorization.

82500791289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030304.

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 82500791289 in words is "eighty-two billion, five hundred million, seven hundred ninety-one thousand, two hundred eighty-nine".