99859060858 has 4 divisors (see below), whose sum is σ = 149788591290. Its totient is φ = 49929530428.

The previous prime is 99859060841. The next prime is 99859060859. The reversal of 99859060858 is 85806095899.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60780492369 + 39078568489 = 246537^2 + 197683^2 .

It is a super-3 number, since 3×99859060858³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99859060793 and 99859060802.

It is not an unprimeable number, because it can be changed into a prime (99859060859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24964765213 + ... + 24964765216.

Almost surely, 2^99859060858 is an apocalyptic number.

99859060858 is a deficient number, since it is larger than the sum of its proper divisors (49929530432).

99859060858 is a wasteful number, since it uses less digits than its factorization.

99859060858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49929530431.

The product of its (nonzero) digits is 55987200, while the sum is 67.

The spelling of 99859060858 in words is "ninety-nine billion, eight hundred fifty-nine million, sixty thousand, eight hundred fifty-eight".