2779666996 has 24 divisors (see below), whose sum is σ = 4999176000. Its totient is φ = 1351550400.

The previous prime is 2779666993. The next prime is 2779667021. The reversal of 2779666996 is 6996669772.

2779666996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779666993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23755 + ... + 78253.

It is an arithmetic number, because the mean of its divisors is an integer number (208299000).

Almost surely, 2^2779666996 is an apocalyptic number.

It is an amenable number.

2779666996 is a deficient number, since it is larger than the sum of its proper divisors (2219509004).

2779666996 is a wasteful number, since it uses less digits than its factorization.

2779666996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54855 (or 54853 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 67.

The square root of 2779666996 is about 52722.5473208569. The cubic root of 2779666996 is about 1406.0397222876.

The spelling of 2779666996 in words is "two billion, seven hundred seventy-nine million, six hundred sixty-six thousand, nine hundred ninety-six".