868908544 has 40 divisors (see below), whose sum is σ = 1984145328. Its totient is φ = 372387840.

The previous prime is 868908533. The next prime is 868908571. The reversal of 868908544 is 445809868.

It is a junction number, because it is equal to n+sod(n) for n = 868908491 and 868908500.

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, 117637 + ... + 124804.

Almost surely, 2^868908544 is an apocalyptic number.

It is an amenable number.

868908544 is an abundant number, since it is smaller than the sum of its proper divisors (1115236784).

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

868908544 is an equidigital number, since it uses as much as digits as its factorization.

868908544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242466 (or 242450 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 868908544 is about 29477.2546889971. The cubic root of 868908544 is about 954.2408901392.

The spelling of 868908544 in words is "eight hundred sixty-eight million, nine hundred eight thousand, five hundred forty-four".