104688817 has 2 divisors, whose sum is σ = 104688818. Its totient is φ = 104688816.

The previous prime is 104688757. The next prime is 104688821. The reversal of 104688817 is 718886401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65950641 + 38738176 = 8121^2 + 6224^2 .

It is a cyclic number.

It is not a de Polignac number, because 104688817 - 2²³ = 96300209 is a prime.

It is not a weakly prime, because it can be changed into another prime (104688827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52344408 + 52344409.

It is an arithmetic number, because the mean of its divisors is an integer number (52344409).

Almost surely, 2^104688817 is an apocalyptic number.

It is an amenable number.

104688817 is a deficient number, since it is larger than the sum of its proper divisors (1).

104688817 is an equidigital number, since it uses as much as digits as its factorization.

104688817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 104688817 is about 10231.7553235014. The cubic root of 104688817 is about 471.3028841157.

The spelling of 104688817 in words is "one hundred four million, six hundred eighty-eight thousand, eight hundred seventeen".