814868801 has 2 divisors, whose sum is σ = 814868802. Its totient is φ = 814868800.

The previous prime is 814868777. The next prime is 814868843. The reversal of 814868801 is 108868418.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764799025 + 50069776 = 27655^2 + 7076^2 .

It is a cyclic number.

It is not a de Polignac number, because 814868801 - 2¹⁰ = 814867777 is a prime.

It is a super-2 number, since 2×814868801² = 1328022325686355202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (814868861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407434400 + 407434401.

It is an arithmetic number, because the mean of its divisors is an integer number (407434401).

Almost surely, 2^814868801 is an apocalyptic number.

It is an amenable number.

814868801 is a deficient number, since it is larger than the sum of its proper divisors (1).

814868801 is an equidigital number, since it uses as much as digits as its factorization.

814868801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 44.

The square root of 814868801 is about 28545.9069044933. The cubic root of 814868801 is about 934.0337376830.

The spelling of 814868801 in words is "eight hundred fourteen million, eight hundred sixty-eight thousand, eight hundred one".