80765183814645 has 64 divisors (see below), whose sum is σ = 141131638195200. Its totient is φ = 39114538467840.

The previous prime is 80765183814607. The next prime is 80765183814647. The reversal of 80765183814645 is 54641838156708.

It is not a de Polignac number, because 80765183814645 - 2¹³ = 80765183806453 is a prime.

It is a super-2 number, since 2×80765183814645² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80765183814647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 785885034 + ... + 785987796.

It is an arithmetic number, because the mean of its divisors is an integer number (2205181846800).

Almost surely, 2^{80765183814645} is an apocalyptic number.

It is an amenable number.

80765183814645 is a deficient number, since it is larger than the sum of its proper divisors (60366454380555).

80765183814645 is a wasteful number, since it uses less digits than its factorization.

80765183814645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108130.

The product of its (nonzero) digits is 154828800, while the sum is 66.

The spelling of 80765183814645 in words is "eighty trillion, seven hundred sixty-five billion, one hundred eighty-three million, eight hundred fourteen thousand, six hundred forty-five".