864418801 has 3 divisors (see below), whose sum is σ = 864448203. Its totient is φ = 864389400.

The previous prime is 864418781. The next prime is 864418843. The reversal of 864418801 is 108814468.

It is a happy number.

The square root of 864418801 is 29401.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 96020401 + 768398400 = 9799^2 + 27720^2 .

It is not a de Polignac number, because 864418801 - 2¹³ = 864410609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864418001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14701 + ... + 44101.

It is an arithmetic number, because the mean of its divisors is an integer number (288149401).

Almost surely, 2^864418801 is an apocalyptic number.

864418801 is the 29401-st square number.

864418801 is the 14701-st centered octagonal number.

It is an amenable number.

864418801 is a deficient number, since it is larger than the sum of its proper divisors (29402).

864418801 is an frugal number, since it uses more digits than its factorization.

864418801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58802 (or 29401 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The cubic root of 864418801 is about 952.5944964035.

The spelling of 864418801 in words is "eight hundred sixty-four million, four hundred eighteen thousand, eight hundred one".