100676991 has 16 divisors (see below), whose sum is σ = 141603200. Its totient is φ = 63449568.

The previous prime is 100676987. The next prime is 100676993. The reversal of 100676991 is 199676001.

It is not a de Polignac number, because 100676991 - 2² = 100676987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100676993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29565 + ... + 32793.

It is an arithmetic number, because the mean of its divisors is an integer number (8850200).

Almost surely, 2^100676991 is an apocalyptic number.

100676991 is a deficient number, since it is larger than the sum of its proper divisors (40926209).

100676991 is a wasteful number, since it uses less digits than its factorization.

100676991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 100676991 is about 10033.7924535043. The cubic root of 100676991 is about 465.2039664798.

The spelling of 100676991 in words is "one hundred million, six hundred seventy-six thousand, nine hundred ninety-one".