80622461837 has 2 divisors, whose sum is σ = 80622461838. Its totient is φ = 80622461836.

The previous prime is 80622461819. The next prime is 80622461879. The reversal of 80622461837 is 73816422608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70132810276 + 10489651561 = 264826^2 + 102419^2 .

It is a cyclic number.

It is not a de Polignac number, because 80622461837 - 2²⁰ = 80621413261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80622461791 and 80622461800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80622461137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40311230918 + 40311230919.

It is an arithmetic number, because the mean of its divisors is an integer number (40311230919).

Almost surely, 2^80622461837 is an apocalyptic number.

It is an amenable number.

80622461837 is a deficient number, since it is larger than the sum of its proper divisors (1).

80622461837 is an equidigital number, since it uses as much as digits as its factorization.

80622461837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 80622461837 in words is "eighty billion, six hundred twenty-two million, four hundred sixty-one thousand, eight hundred thirty-seven".