100266889 has 4 divisors (see below), whose sum is σ = 100288720. Its totient is φ = 100245060.

The previous prime is 100266883. The next prime is 100266899. The reversal of 100266889 is 988662001.

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 100266889 - 2⁹ = 100266377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100266883) 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, 1059 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (25072180).

Almost surely, 2^100266889 is an apocalyptic number.

It is an amenable number.

100266889 is a deficient number, since it is larger than the sum of its proper divisors (21831).

100266889 is an equidigital number, since it uses as much as digits as its factorization.

100266889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21830.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 100266889 is about 10013.3355581444. The cubic root of 100266889 is about 464.5714462178.

The spelling of 100266889 in words is "one hundred million, two hundred sixty-six thousand, eight hundred eighty-nine".