100866899 has 8 divisors (see below), whose sum is σ = 122057568. Its totient is φ = 81371520.

The previous prime is 100866893. The next prime is 100866911. The reversal of 100866899 is 998668001.

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

It is not a de Polignac number, because 100866899 - 2⁸ = 100866643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100866893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423692 + ... + 423929.

It is an arithmetic number, because the mean of its divisors is an integer number (15257196).

Almost surely, 2^100866899 is an apocalyptic number.

100866899 is a deficient number, since it is larger than the sum of its proper divisors (21190669).

100866899 is an equidigital number, since it uses as much as digits as its factorization.

100866899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847645.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 100866899 is about 10043.2514157518. The cubic root of 100866899 is about 465.4962890282.

The spelling of 100866899 in words is "one hundred million, eight hundred sixty-six thousand, eight hundred ninety-nine".