98623857 has 8 divisors (see below), whose sum is σ = 131764000. Its totient is φ = 65616480.

The previous prime is 98623853. The next prime is 98623879. The reversal of 98623857 is 75832689.

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

It is not a de Polignac number, because 98623857 - 2² = 98623853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98623853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31444 + ... + 34437.

It is an arithmetic number, because the mean of its divisors is an integer number (16470500).

Almost surely, 2^98623857 is an apocalyptic number.

It is an amenable number.

98623857 is a deficient number, since it is larger than the sum of its proper divisors (33140143).

98623857 is a wasteful number, since it uses less digits than its factorization.

98623857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66383.

The product of its digits is 725760, while the sum is 48.

The square root of 98623857 is about 9930.9544858488. The cubic root of 98623857 is about 462.0198778951.

The spelling of 98623857 in words is "ninety-eight million, six hundred twenty-three thousand, eight hundred fifty-seven".