80377080777 has 24 divisors (see below), whose sum is σ = 134934895680. Its totient is φ = 45151287840.

The previous prime is 80377080769. The next prime is 80377080811. The reversal of 80377080777 is 77708077308.

It is not a de Polignac number, because 80377080777 - 2³ = 80377080769 is a prime.

It is a super-2 number, since 2×80377080777² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80377080737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10808374 + ... + 10815807.

It is an arithmetic number, because the mean of its divisors is an integer number (5622287320).

Almost surely, 2^80377080777 is an apocalyptic number.

It is an amenable number.

80377080777 is a deficient number, since it is larger than the sum of its proper divisors (54557814903).

80377080777 is a wasteful number, since it uses less digits than its factorization.

80377080777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624253 (or 21624250 counting only the distinct ones).

The product of its (nonzero) digits is 3226944, while the sum is 54.

The spelling of 80377080777 in words is "eighty billion, three hundred seventy-seven million, eighty thousand, seven hundred seventy-seven".