868838628 has 48 divisors (see below), whose sum is σ = 2331695744. Its totient is φ = 246654720.

The previous prime is 868838617. The next prime is 868838651. The reversal of 868838628 is 826838868.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19753 + ... + 46128.

Almost surely, 2^868838628 is an apocalyptic number.

It is an amenable number.

868838628 is an abundant number, since it is smaller than the sum of its proper divisors (1462857116).

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

868838628 is a wasteful number, since it uses less digits than its factorization.

868838628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66052 (or 66050 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 57.

The square root of 868838628 is about 29476.0687338051. The cubic root of 868838628 is about 954.2152953874.

The spelling of 868838628 in words is "eight hundred sixty-eight million, eight hundred thirty-eight thousand, six hundred twenty-eight".