858979098 has 12 divisors (see below), whose sum is σ = 1861121418. Its totient is φ = 286326360.

The previous prime is 858979063. The next prime is 858979129. The reversal of 858979098 is 890979858.

It can be written as a sum of positive squares in only one way, i.e., 836539929 + 22439169 = 28923^2 + 4737^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23860513 + ... + 23860548.

Almost surely, 2^858979098 is an apocalyptic number.

858979098 is an abundant number, since it is smaller than the sum of its proper divisors (1002142320).

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

858979098 is a wasteful number, since it uses less digits than its factorization.

858979098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47721069 (or 47721066 counting only the distinct ones).

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

The square root of 858979098 is about 29308.3451938181. The cubic root of 858979098 is about 950.5920955301.

The spelling of 858979098 in words is "eight hundred fifty-eight million, nine hundred seventy-nine thousand, ninety-eight".