858398968008 has 48 divisors (see below), whose sum is σ = 2327537144400. Its totient is φ = 285799868640.

The previous prime is 858398967967. The next prime is 858398968043. The reversal of 858398968008 is 800869893858.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6877738 + ... + 7001433.

It is an arithmetic number, because the mean of its divisors is an integer number (48490357175).

Almost surely, 2^858398968008 is an apocalyptic number.

It is an amenable number.

858398968008 is an abundant number, since it is smaller than the sum of its proper divisors (1469138176392).

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

858398968008 is a wasteful number, since it uses less digits than its factorization.

858398968008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880042 (or 13880035 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 72.

The spelling of 858398968008 in words is "eight hundred fifty-eight billion, three hundred ninety-eight million, nine hundred sixty-eight thousand, eight".