2777879852 has 12 divisors (see below), whose sum is σ = 5303225256. Its totient is φ = 1262672640.

The previous prime is 2777879807. The next prime is 2777879887. The reversal of 2777879852 is 2589787772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31566773 + ... + 31566860.

It is an arithmetic number, because the mean of its divisors is an integer number (441935438).

Almost surely, 2^2777879852 is an apocalyptic number.

2777879852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2777879852 is a deficient number, since it is larger than the sum of its proper divisors (2525345404).

2777879852 is a wasteful number, since it uses less digits than its factorization.

2777879852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63133648 (or 63133646 counting only the distinct ones).

The product of its digits is 27659520, while the sum is 62.

The square root of 2777879852 is about 52705.5960216750. The cubic root of 2777879852 is about 1405.7383271720.

The spelling of 2777879852 in words is "two billion, seven hundred seventy-seven million, eight hundred seventy-nine thousand, eight hundred fifty-two".