2672805771 has 12 divisors (see below), whose sum is σ = 3985259200. Its totient is φ = 1724390640.

The previous prime is 2672805769. The next prime is 2672805797. The reversal of 2672805771 is 1775082762.

2672805771 is a `hidden beast` number, since 2 + 6 + 72 + 8 + 0 + 577 + 1 = 666.

It is not a de Polignac number, because 2672805771 - 2¹ = 2672805769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2672805701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4789696 + ... + 4790253.

Almost surely, 2^2672805771 is an apocalyptic number.

2672805771 is a deficient number, since it is larger than the sum of its proper divisors (1312453429).

2672805771 is a wasteful number, since it uses less digits than its factorization.

2672805771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579986 (or 9579983 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 2672805771 is about 51699.1853997720. The cubic root of 2672805771 is about 1387.7858874258.

The spelling of 2672805771 in words is "two billion, six hundred seventy-two million, eight hundred five thousand, seven hundred seventy-one".