80818762079 has 32 divisors (see below), whose sum is σ = 94279090752. Its totient is φ = 68598144000.

The previous prime is 80818762001. The next prime is 80818762099. The reversal of 80818762079 is 97026781808.

It is a cyclic number.

It is not a de Polignac number, because 80818762079 - 2²⁴ = 80801984863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80818762099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 978209 + ... + 1057605.

It is an arithmetic number, because the mean of its divisors is an integer number (2946221586).

Almost surely, 2^80818762079 is an apocalyptic number.

80818762079 is a deficient number, since it is larger than the sum of its proper divisors (13460328673).

80818762079 is a wasteful number, since it uses less digits than its factorization.

80818762079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79547.

The product of its (nonzero) digits is 2709504, while the sum is 56.

The spelling of 80818762079 in words is "eighty billion, eight hundred eighteen million, seven hundred sixty-two thousand, seventy-nine".