99798858 has 32 divisors (see below), whose sum is σ = 228933120. Its totient is φ = 32192640.

The previous prime is 99798851. The next prime is 99798899. The reversal of 99798858 is 85889799.

It is a junction number, because it is equal to n+sod(n) for n = 99798795 and 99798804.

It is not an unprimeable number, because it can be changed into a prime (99798851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28135 + ... + 31482.

It is an arithmetic number, because the mean of its divisors is an integer number (7154160).

Almost surely, 2^99798858 is an apocalyptic number.

99798858 is an abundant number, since it is smaller than the sum of its proper divisors (129134262).

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

99798858 is a wasteful number, since it uses less digits than its factorization.

99798858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59659 (or 59653 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The square root of 99798858 is about 9989.9378376444. The cubic root of 99798858 is about 463.8474683187.

The spelling of 99798858 in words is "ninety-nine million, seven hundred ninety-eight thousand, eight hundred fifty-eight".