80366376881 has 16 divisors (see below), whose sum is σ = 92213316480. Its totient is φ = 68611466880.

The previous prime is 80366376869. The next prime is 80366376889. The reversal of 80366376881 is 18867366308.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80366376881 - 2²⁶ = 80299268017 is a prime.

It is a super-2 number, since 2×80366376881² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80366376889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871210 + ... + 1913676.

It is an arithmetic number, because the mean of its divisors is an integer number (5763332280).

Almost surely, 2^80366376881 is an apocalyptic number.

It is an amenable number.

80366376881 is a deficient number, since it is larger than the sum of its proper divisors (11846939599).

80366376881 is a wasteful number, since it uses less digits than its factorization.

80366376881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43544.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 80366376881 in words is "eighty billion, three hundred sixty-six million, three hundred seventy-six thousand, eight hundred eighty-one".