80193576961 has 4 divisors (see below), whose sum is σ = 84910846212. Its totient is φ = 75476307712.

The previous prime is 80193576937. The next prime is 80193577007. The reversal of 80193576961 is 16967539108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22902282225 + 57291294736 = 151335^2 + 239356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80193576961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80194576961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2358634600 + ... + 2358634633.

It is an arithmetic number, because the mean of its divisors is an integer number (21227711553).

Almost surely, 2^80193576961 is an apocalyptic number.

It is an amenable number.

80193576961 is a deficient number, since it is larger than the sum of its proper divisors (4717269251).

80193576961 is a wasteful number, since it uses less digits than its factorization.

80193576961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717269250.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 80193576961 in words is "eighty billion, one hundred ninety-three million, five hundred seventy-six thousand, nine hundred sixty-one".