100890867 has 16 divisors (see below), whose sum is σ = 167715072. Its totient is φ = 52410720.

The previous prime is 100890863. The next prime is 100890877. The reversal of 100890867 is 768098001.

It is not a de Polignac number, because 100890867 - 2² = 100890863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100890863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218148 + ... + 218609.

It is an arithmetic number, because the mean of its divisors is an integer number (10482192).

Almost surely, 2^100890867 is an apocalyptic number.

100890867 is a deficient number, since it is larger than the sum of its proper divisors (66824205).

100890867 is a wasteful number, since it uses less digits than its factorization.

100890867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436778.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 100890867 is about 10044.4445839479. Note that the first 3 decimals coincide. The cubic root of 100890867 is about 465.5331565291.

The spelling of 100890867 in words is "one hundred million, eight hundred ninety thousand, eight hundred sixty-seven".