82713752570 has 16 divisors (see below), whose sum is σ = 148967454888. Its totient is φ = 33067123200.

The previous prime is 82713752533. The next prime is 82713752579. The reversal of 82713752570 is 7525731728.

It can be written as a sum of positive squares in 4 ways, for example, as 46544179081 + 36169573489 = 215741^2 + 190183^2 .

It is a super-2 number, since 2×82713752570² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82713752579) 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, 2278319 + ... + 2314338.

Almost surely, 2^82713752570 is an apocalyptic number.

82713752570 is a deficient number, since it is larger than the sum of its proper divisors (66253702318).

82713752570 is a wasteful number, since it uses less digits than its factorization.

82713752570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594465.

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 82713752570 in words is "eighty-two billion, seven hundred thirteen million, seven hundred fifty-two thousand, five hundred seventy".