80365898946 has 16 divisors (see below), whose sum is σ = 161357216544. Its totient is φ = 26684396544.

The previous prime is 80365898941. The next prime is 80365898993. The reversal of 80365898946 is 64989856308.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80365898941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26057440 + ... + 26060523.

It is an arithmetic number, because the mean of its divisors is an integer number (10084826034).

Almost surely, 2^80365898946 is an apocalyptic number.

80365898946 is an abundant number, since it is smaller than the sum of its proper divisors (80991317598).

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

80365898946 is a wasteful number, since it uses less digits than its factorization.

80365898946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52118225.

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 80365898946 in words is "eighty billion, three hundred sixty-five million, eight hundred ninety-eight thousand, nine hundred forty-six".