2173777795 has 16 divisors (see below), whose sum is σ = 3083981760. Its totient is φ = 1439190144.

The previous prime is 2173777751. The next prime is 2173777807. The reversal of 2173777795 is 5977773712.

It is a happy number.

It is not a de Polignac number, because 2173777795 - 2¹³ = 2173769603 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069812 + ... + 1071841.

It is an arithmetic number, because the mean of its divisors is an integer number (192748860).

Almost surely, 2^2173777795 is an apocalyptic number.

2173777795 is a deficient number, since it is larger than the sum of its proper divisors (910203965).

2173777795 is a wasteful number, since it uses less digits than its factorization.

2173777795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141694.

The product of its digits is 4537890, while the sum is 55.

The square root of 2173777795 is about 46623.7900111091. The cubic root of 2173777795 is about 1295.4034500709.

The spelling of 2173777795 in words is "two billion, one hundred seventy-three million, seven hundred seventy-seven thousand, seven hundred ninety-five".