99860858 has 8 divisors (see below), whose sum is σ = 154623360. Its totient is φ = 48319740.

The previous prime is 99860801. The next prime is 99860879. The reversal of 99860858 is 85806899.

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

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, 805268 + ... + 805391.

It is an arithmetic number, because the mean of its divisors is an integer number (19327920).

Almost surely, 2^99860858 is an apocalyptic number.

99860858 is a deficient number, since it is larger than the sum of its proper divisors (54762502).

99860858 is a wasteful number, since it uses less digits than its factorization.

99860858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610692.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 99860858 is about 9993.0404782529. The cubic root of 99860858 is about 463.9435034512.

The spelling of 99860858 in words is "ninety-nine million, eight hundred sixty thousand, eight hundred fifty-eight".