100879199 has 2 divisors, whose sum is σ = 100879200. Its totient is φ = 100879198.

The previous prime is 100879187. The next prime is 100879213. The reversal of 100879199 is 991978001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100879199 is a prime.

It is a super-2 number, since 2×100879199² = 20353225581763202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100870199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50439599 + 50439600.

It is an arithmetic number, because the mean of its divisors is an integer number (50439600).

Almost surely, 2^100879199 is an apocalyptic number.

100879199 is a deficient number, since it is larger than the sum of its proper divisors (1).

100879199 is an equidigital number, since it uses as much as digits as its factorization.

100879199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 100879199 is about 10043.8637485780. The cubic root of 100879199 is about 465.5152095783.

The spelling of 100879199 in words is "one hundred million, eight hundred seventy-nine thousand, one hundred ninety-nine".