100278417107 has 4 divisors (see below), whose sum is σ = 109394636856. Its totient is φ = 91162197360.

The previous prime is 100278417103. The next prime is 100278417149. The reversal of 100278417107 is 701714872001.

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 100278417107 - 2² = 100278417103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100278417103) 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, 4558109858 + ... + 4558109879.

It is an arithmetic number, because the mean of its divisors is an integer number (27348659214).

Almost surely, 2^100278417107 is an apocalyptic number.

100278417107 is a deficient number, since it is larger than the sum of its proper divisors (9116219749).

100278417107 is an equidigital number, since it uses as much as digits as its factorization.

100278417107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116219748.

The product of its (nonzero) digits is 21952, while the sum is 38.

The spelling of 100278417107 in words is "one hundred billion, two hundred seventy-eight million, four hundred seventeen thousand, one hundred seven".