104864999 has 2 divisors, whose sum is σ = 104865000. Its totient is φ = 104864998.

The previous prime is 104864987. The next prime is 104865023. The reversal of 104864999 is 999468401.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (999468401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104864999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104864699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52432499 + 52432500.

It is an arithmetic number, because the mean of its divisors is an integer number (52432500).

Almost surely, 2^104864999 is an apocalyptic number.

104864999 is a deficient number, since it is larger than the sum of its proper divisors (1).

104864999 is an equidigital number, since it uses as much as digits as its factorization.

104864999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 104864999 is about 10240.3612729239. The cubic root of 104864999 is about 471.5671229343.

The spelling of 104864999 in words is "one hundred four million, eight hundred sixty-four thousand, nine hundred ninety-nine".