100908863 has 4 divisors (see below), whose sum is σ = 110082408. Its totient is φ = 91735320.

The previous prime is 100908793. The next prime is 100908883. The reversal of 100908863 is 368809001.

100908863 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368809001 = 11 ⋅33528091.

It is a cyclic number.

It is not a de Polignac number, because 100908863 - 2¹² = 100904767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100908883) 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, 4586756 + ... + 4586777.

It is an arithmetic number, because the mean of its divisors is an integer number (27520602).

Almost surely, 2^100908863 is an apocalyptic number.

100908863 is a deficient number, since it is larger than the sum of its proper divisors (9173545).

100908863 is an equidigital number, since it uses as much as digits as its factorization.

100908863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173544.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 100908863 is about 10045.3403625761. The cubic root of 100908863 is about 465.5608340809.

The spelling of 100908863 in words is "one hundred million, nine hundred eight thousand, eight hundred sixty-three".