80691041082 has 32 divisors (see below), whose sum is σ = 168435251712. Its totient is φ = 25721993264.

The previous prime is 80691041063. The next prime is 80691041083. The reversal of 80691041082 is 28014019608.

It is a super-2 number, since 2×80691041082² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80691041082.

It is not an unprimeable number, because it can be changed into a prime (80691041083) 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 15 ways as a sum of consecutive naturals, for example, 599533 + ... + 721679.

It is an arithmetic number, because the mean of its divisors is an integer number (5263601616).

Almost surely, 2^80691041082 is an apocalyptic number.

80691041082 is an abundant number, since it is smaller than the sum of its proper divisors (87744210630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80691041082 is a wasteful number, since it uses less digits than its factorization.

80691041082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126962.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 80691041082 in words is "eighty billion, six hundred ninety-one million, forty-one thousand, eighty-two".