100788479839 has 4 divisors (see below), whose sum is σ = 101221048656. Its totient is φ = 100355911024.

The previous prime is 100788479833. The next prime is 100788479849. The reversal of 100788479839 is 938974887001.

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 100788479839 - 2¹⁹ = 100787955551 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 (100788479833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216284059 + ... + 216284524.

It is an arithmetic number, because the mean of its divisors is an integer number (25305262164).

Almost surely, 2^100788479839 is an apocalyptic number.

100788479839 is a deficient number, since it is larger than the sum of its proper divisors (432568817).

100788479839 is an equidigital number, since it uses as much as digits as its factorization.

100788479839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432568816.

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 100788479839 in words is "one hundred billion, seven hundred eighty-eight million, four hundred seventy-nine thousand, eight hundred thirty-nine".