99859060860 has 144 divisors (see below), whose sum is σ = 302266099296. Its totient is φ = 24486893568.

The previous prime is 99859060859. The next prime is 99859060871. The reversal of 99859060860 is 6806095899.

It is a super-3 number, since 3×99859060860³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 99859060794 and 99859060803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162901914 + ... + 162902526.

It is an arithmetic number, because the mean of its divisors is an integer number (2099070134).

Almost surely, 2^99859060860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99859060860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151133049648).

99859060860 is an abundant number, since it is smaller than the sum of its proper divisors (202407038436).

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

99859060860 is a wasteful number, since it uses less digits than its factorization.

99859060860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 99859060860 in words is "ninety-nine billion, eight hundred fifty-nine million, sixty thousand, eight hundred sixty".