8638317462 has 32 divisors (see below), whose sum is σ = 18048844800. Its totient is φ = 2752976160.

The previous prime is 8638317461. The next prime is 8638317487. The reversal of 8638317462 is 2647138368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8638317461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264337 + ... + 295212.

It is an arithmetic number, because the mean of its divisors is an integer number (564026400).

Almost surely, 2^8638317462 is an apocalyptic number.

8638317462 is an abundant number, since it is smaller than the sum of its proper divisors (9410527338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8638317462 is a wasteful number, since it uses less digits than its factorization.

8638317462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559668.

The product of its digits is 1161216, while the sum is 48.

The square root of 8638317462 is about 92942.5492549026. The cubic root of 8638317462 is about 2051.8379283134.

The spelling of 8638317462 in words is "eight billion, six hundred thirty-eight million, three hundred seventeen thousand, four hundred sixty-two".