80347976441 has 2 divisors, whose sum is σ = 80347976442. Its totient is φ = 80347976440.

The previous prime is 80347976383. The next prime is 80347976459. The reversal of 80347976441 is 14467974308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58806250000 + 21541726441 = 242500^2 + 146771^2 .

It is a cyclic number.

It is not a de Polignac number, because 80347976441 - 2¹⁰ = 80347975417 is a prime.

It is not a weakly prime, because it can be changed into another prime (80347976461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40173988220 + 40173988221.

It is an arithmetic number, because the mean of its divisors is an integer number (40173988221).

Almost surely, 2^80347976441 is an apocalyptic number.

It is an amenable number.

80347976441 is a deficient number, since it is larger than the sum of its proper divisors (1).

80347976441 is an equidigital number, since it uses as much as digits as its factorization.

80347976441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 80347976441 in words is "eighty billion, three hundred forty-seven million, nine hundred seventy-six thousand, four hundred forty-one".