98818957 has 4 divisors (see below), whose sum is σ = 100921536. Its totient is φ = 96716380.

The previous prime is 98818949. The next prime is 98818961. The reversal of 98818957 is 75981889.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98818957 - 2³ = 98818949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98818898 and 98818907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98818997) 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 3 ways as a sum of consecutive naturals, for example, 1051219 + ... + 1051312.

It is an arithmetic number, because the mean of its divisors is an integer number (25230384).

Almost surely, 2^98818957 is an apocalyptic number.

It is an amenable number.

98818957 is a deficient number, since it is larger than the sum of its proper divisors (2102579).

98818957 is a wasteful number, since it uses less digits than its factorization.

98818957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102578.

The product of its digits is 1451520, while the sum is 55.

The square root of 98818957 is about 9940.7724548950. The cubic root of 98818957 is about 462.3243366981.

The spelling of 98818957 in words is "ninety-eight million, eight hundred eighteen thousand, nine hundred fifty-seven".