859964801 has 2 divisors, whose sum is σ = 859964802. Its totient is φ = 859964800.

The previous prime is 859964759. The next prime is 859964821. The reversal of 859964801 is 108469958.

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., 527850625 + 332114176 = 22975^2 + 18224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859964801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 859964801.

It is not a weakly prime, because it can be changed into another prime (859964821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429982400 + 429982401.

It is an arithmetic number, because the mean of its divisors is an integer number (429982401).

Almost surely, 2^859964801 is an apocalyptic number.

It is an amenable number.

859964801 is a deficient number, since it is larger than the sum of its proper divisors (1).

859964801 is an equidigital number, since it uses as much as digits as its factorization.

859964801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 859964801 is about 29325.1564531206. The cubic root of 859964801 is about 950.9555670429.

The spelling of 859964801 in words is "eight hundred fifty-nine million, nine hundred sixty-four thousand, eight hundred one".