859098890958 has 128 divisors (see below), whose sum is σ = 2149356819456. Its totient is φ = 222395059200.

The previous prime is 859098890899. The next prime is 859098890971.

859098890958 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233639416 + ... + 233643092.

It is an arithmetic number, because the mean of its divisors is an integer number (16791850152).

Almost surely, 2^859098890958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859098890958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074678409728).

859098890958 is an abundant number, since it is smaller than the sum of its proper divisors (1290257928498).

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

859098890958 is a wasteful number, since it uses less digits than its factorization.

859098890958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 671846400, while the sum is 78.

The spelling of 859098890958 in words is "eight hundred fifty-nine billion, ninety-eight million, eight hundred ninety thousand, nine hundred fifty-eight".