100838663 has 4 divisors (see below), whose sum is σ = 100895568. Its totient is φ = 100781760.

The previous prime is 100838659. The next prime is 100838669. The reversal of 100838663 is 366838001.

It is a happy number.

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 100838663 - 2² = 100838659 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 (100838669) 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, 25706 + ... + 29367.

It is an arithmetic number, because the mean of its divisors is an integer number (25223892).

Almost surely, 2^100838663 is an apocalyptic number.

100838663 is a deficient number, since it is larger than the sum of its proper divisors (56905).

100838663 is an equidigital number, since it uses as much as digits as its factorization.

100838663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56904.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 100838663 is about 10041.8455972993. The cubic root of 100838663 is about 465.4528490097.

The spelling of 100838663 in words is "one hundred million, eight hundred thirty-eight thousand, six hundred sixty-three".