100879403 has 4 divisors (see below), whose sum is σ = 105265488. Its totient is φ = 96493320.

The previous prime is 100879369. The next prime is 100879423. The reversal of 100879403 is 304978001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100879403 - 2²⁰ = 99830827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100879403.

It is not an unprimeable number, because it can be changed into a prime (100879423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193008 + ... + 2193053.

It is an arithmetic number, because the mean of its divisors is an integer number (26316372).

Almost surely, 2^100879403 is an apocalyptic number.

100879403 is a deficient number, since it is larger than the sum of its proper divisors (4386085).

100879403 is an equidigital number, since it uses as much as digits as its factorization.

100879403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386084.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 100879403 is about 10043.8739040273. The cubic root of 100879403 is about 465.5155233695.

The spelling of 100879403 in words is "one hundred million, eight hundred seventy-nine thousand, four hundred three".