863264763 has 16 divisors (see below), whose sum is σ = 1279370400. Its totient is φ = 575303040.

The previous prime is 863264761. The next prime is 863264771. The reversal of 863264763 is 367462368.

863264763 is a `hidden beast` number, since 8 + 632 + 6 + 4 + 7 + 6 + 3 = 666.

It is not a de Polignac number, because 863264763 - 2¹ = 863264761 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (863264761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124303 + ... + 131063.

It is an arithmetic number, because the mean of its divisors is an integer number (79960650).

Almost surely, 2^863264763 is an apocalyptic number.

863264763 is a deficient number, since it is larger than the sum of its proper divisors (416105637).

863264763 is a wasteful number, since it uses less digits than its factorization.

863264763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499 (or 11493 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 863264763 is about 29381.3676162292. The cubic root of 863264763 is about 952.1703887727.

The spelling of 863264763 in words is "eight hundred sixty-three million, two hundred sixty-four thousand, seven hundred sixty-three".