100808417238863 has 4 divisors (see below), whose sum is σ = 100811686131120. Its totient is φ = 100805148346608.

The previous prime is 100808417238847. The next prime is 100808417238869. The reversal of 100808417238863 is 368832714808001.

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 100808417238863 - 2⁴ = 100808417238847 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 (100808417238869) 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, 1634399870 + ... + 1634461547.

It is an arithmetic number, because the mean of its divisors is an integer number (25202921532780).

Almost surely, 2^{100808417238863} is an apocalyptic number.

100808417238863 is a deficient number, since it is larger than the sum of its proper divisors (3268892257).

100808417238863 is an equidigital number, since it uses as much as digits as its factorization.

100808417238863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268892256.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 100808417238863 in words is "one hundred trillion, eight hundred eight billion, four hundred seventeen million, two hundred thirty-eight thousand, eight hundred sixty-three".