104177015809 has 2 divisors, whose sum is σ = 104177015810. Its totient is φ = 104177015808.

The previous prime is 104177015773. The next prime is 104177015819. The reversal of 104177015809 is 908510771401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67962925809 + 36214090000 = 260697^2 + 190300^2 .

It is a cyclic number.

It is not a de Polignac number, because 104177015809 - 2¹⁵ = 104176983041 is a prime.

It is not a weakly prime, because it can be changed into another prime (104177015819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52088507904 + 52088507905.

It is an arithmetic number, because the mean of its divisors is an integer number (52088507905).

Almost surely, 2^104177015809 is an apocalyptic number.

It is an amenable number.

104177015809 is a deficient number, since it is larger than the sum of its proper divisors (1).

104177015809 is an equidigital number, since it uses as much as digits as its factorization.

104177015809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 104177015809 in words is "one hundred four billion, one hundred seventy-seven million, fifteen thousand, eight hundred nine".