858120098 has 16 divisors (see below), whose sum is σ = 1417323744. Its totient is φ = 386408160.

The previous prime is 858120097. The next prime is 858120113. The reversal of 858120098 is 890021858.

It is not an unprimeable number, because it can be changed into a prime (858120097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 179915 + ... + 184622.

It is an arithmetic number, because the mean of its divisors is an integer number (88582734).

Almost surely, 2^858120098 is an apocalyptic number.

858120098 is a deficient number, since it is larger than the sum of its proper divisors (559203646).

858120098 is a wasteful number, since it uses less digits than its factorization.

858120098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364657.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 858120098 is about 29293.6869990788. The cubic root of 858120098 is about 950.2751181026.

The spelling of 858120098 in words is "eight hundred fifty-eight million, one hundred twenty thousand, ninety-eight".