868638462 has 8 divisors (see below), whose sum is σ = 1737276936. Its totient is φ = 289546152.

The previous prime is 868638439. The next prime is 868638497. The reversal of 868638462 is 264836868.

It is a happy number.

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

868638462 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72386533 + ... + 72386544.

It is an arithmetic number, because the mean of its divisors is an integer number (217159617).

Almost surely, 2^868638462 is an apocalyptic number.

868638462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

868638462 is a wasteful number, since it uses less digits than its factorization.

868638462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144773082.

The product of its digits is 2654208, while the sum is 51.

The square root of 868638462 is about 29472.6731397069. The cubic root of 868638462 is about 954.1420113035.

The spelling of 868638462 in words is "eight hundred sixty-eight million, six hundred thirty-eight thousand, four hundred sixty-two".