2777308680 has 64 divisors (see below), whose sum is σ = 8368712640. Its totient is φ = 737345792.

The previous prime is 2777308669. The next prime is 2777308687. The reversal of 2777308680 is 868037772.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2777308687) by changing a digit.

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, 23739 + ... + 78218.

It is an arithmetic number, because the mean of its divisors is an integer number (130761135).

Almost surely, 2^2777308680 is an apocalyptic number.

2777308680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2777308680 is an abundant number, since it is smaller than the sum of its proper divisors (5591403960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2777308680 is a wasteful number, since it uses less digits than its factorization.

2777308680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102198 (or 102194 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 2777308680 is about 52700.1772293035. The cubic root of 2777308680 is about 1405.6419739036.

The spelling of 2777308680 in words is "two billion, seven hundred seventy-seven million, three hundred eight thousand, six hundred eighty".