80892182357977 has 2 divisors, whose sum is σ = 80892182357978. Its totient is φ = 80892182357976.

The previous prime is 80892182357963. The next prime is 80892182357983. The reversal of 80892182357977 is 77975328129808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79779623619136 + 1112558738841 = 8931944^2 + 1054779^2 .

It is a cyclic number.

It is not a de Polignac number, because 80892182357977 - 2³¹ = 80890034874329 is a prime.

It is not a weakly prime, because it can be changed into another prime (80892182327977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40446091178988 + 40446091178989.

It is an arithmetic number, because the mean of its divisors is an integer number (40446091178989).

Almost surely, 2^{80892182357977} is an apocalyptic number.

It is an amenable number.

80892182357977 is a deficient number, since it is larger than the sum of its proper divisors (1).

80892182357977 is an equidigital number, since it uses as much as digits as its factorization.

80892182357977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 853493760, while the sum is 76.

The spelling of 80892182357977 in words is "eighty trillion, eight hundred ninety-two billion, one hundred eighty-two million, three hundred fifty-seven thousand, nine hundred seventy-seven".