80590517057 has 2 divisors, whose sum is σ = 80590517058. Its totient is φ = 80590517056.

The previous prime is 80590517023. The next prime is 80590517087. The reversal of 80590517057 is 75071509508.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66750406321 + 13840110736 = 258361^2 + 117644^2 .

It is a cyclic number.

It is not a de Polignac number, because 80590517057 - 2²² = 80586322753 is a prime.

It is not a weakly prime, because it can be changed into another prime (80590517017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40295258528 + 40295258529.

It is an arithmetic number, because the mean of its divisors is an integer number (40295258529).

Almost surely, 2^80590517057 is an apocalyptic number.

It is an amenable number.

80590517057 is a deficient number, since it is larger than the sum of its proper divisors (1).

80590517057 is an equidigital number, since it uses as much as digits as its factorization.

80590517057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 47.

The spelling of 80590517057 in words is "eighty billion, five hundred ninety million, five hundred seventeen thousand, fifty-seven".