100044777775 has 6 divisors (see below), whose sum is σ = 124055524472. Its totient is φ = 80035822200.

The previous prime is 100044777769. The next prime is 100044777797. The reversal of 100044777775 is 577777440001.

It is not a de Polignac number, because 100044777775 - 2²⁷ = 99910560047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2000895531 + ... + 2000895580.

Almost surely, 2^100044777775 is an apocalyptic number.

100044777775 is a deficient number, since it is larger than the sum of its proper divisors (24010746697).

100044777775 is an equidigital number, since it uses as much as digits as its factorization.

100044777775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001791121 (or 4001791116 counting only the distinct ones).

The product of its (nonzero) digits is 1344560, while the sum is 49.

The spelling of 100044777775 in words is "one hundred billion, forty-four million, seven hundred seventy-seven thousand, seven hundred seventy-five".