864814763 has 8 divisors (see below), whose sum is σ = 889593936. Its totient is φ = 840211200.

The previous prime is 864814733. The next prime is 864814777. The reversal of 864814763 is 367418468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864814763 - 2¹⁶ = 864749227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864814733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33881 + ... + 53642.

It is an arithmetic number, because the mean of its divisors is an integer number (111199242).

Almost surely, 2^864814763 is an apocalyptic number.

864814763 is a deficient number, since it is larger than the sum of its proper divisors (24779173).

864814763 is a wasteful number, since it uses less digits than its factorization.

864814763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87805.

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

The square root of 864814763 is about 29407.7330476186. The cubic root of 864814763 is about 952.7399250017.

The spelling of 864814763 in words is "eight hundred sixty-four million, eight hundred fourteen thousand, seven hundred sixty-three".