864418763 has 4 divisors (see below), whose sum is σ = 930912528. Its totient is φ = 797925000.

The previous prime is 864418651. The next prime is 864418777. The reversal of 864418763 is 367814468.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864418763 - 2¹⁶ = 864353227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864418063) 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 3 ways as a sum of consecutive naturals, for example, 33246863 + ... + 33246888.

It is an arithmetic number, because the mean of its divisors is an integer number (232728132).

Almost surely, 2^864418763 is an apocalyptic number.

864418763 is a deficient number, since it is larger than the sum of its proper divisors (66493765).

864418763 is a wasteful number, since it uses less digits than its factorization.

864418763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66493764.

The product of its digits is 774144, while the sum is 47.

The square root of 864418763 is about 29400.9993537635. Note that the first 3 decimals coincide. The cubic root of 864418763 is about 952.5944824447.

The spelling of 864418763 in words is "eight hundred sixty-four million, four hundred eighteen thousand, seven hundred sixty-three".