858802998 has 8 divisors (see below), whose sum is σ = 1717606008. Its totient is φ = 286267664.

The previous prime is 858802981. The next prime is 858803053. The reversal of 858802998 is 899208858.

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

858802998 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, 71566911 + ... + 71566922.

It is an arithmetic number, because the mean of its divisors is an integer number (214700751).

Almost surely, 2^858802998 is an apocalyptic number.

858802998 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.

858802998 is a wasteful number, since it uses less digits than its factorization.

858802998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143133838.

The product of its (nonzero) digits is 3317760, while the sum is 57.

The square root of 858802998 is about 29305.3407760429. The cubic root of 858802998 is about 950.5271305388.

The spelling of 858802998 in words is "eight hundred fifty-eight million, eight hundred two thousand, nine hundred ninety-eight".