2276661765 has 24 divisors (see below), whose sum is σ = 4237380000. Its totient is φ = 1040759328.

The previous prime is 2276661749. The next prime is 2276661773. The reversal of 2276661765 is 5671666722.

It is not a de Polignac number, because 2276661765 - 2⁴ = 2276661749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548015 + ... + 1549484.

It is an arithmetic number, because the mean of its divisors is an integer number (176557500).

Almost surely, 2^2276661765 is an apocalyptic number.

It is an amenable number.

2276661765 is a deficient number, since it is larger than the sum of its proper divisors (1960718235).

2276661765 is a wasteful number, since it uses less digits than its factorization.

2276661765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097521 (or 3097514 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 2276661765 is about 47714.3769214269. The cubic root of 2276661765 is about 1315.5262082731.

The spelling of 2276661765 in words is "two billion, two hundred seventy-six million, six hundred sixty-one thousand, seven hundred sixty-five".