2762878680 has 128 divisors (see below), whose sum is σ = 9610099200. Its totient is φ = 704727936.

The previous prime is 2762878649. The next prime is 2762878697. The reversal of 2762878680 is 868782672.

2762878680 is a `hidden beast` number, since 2 + 7 + 628 + 7 + 8 + 6 + 8 + 0 = 666.

2762878680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30774 + ... + 80453.

It is an arithmetic number, because the mean of its divisors is an integer number (75078900).

Almost surely, 2^2762878680 is an apocalyptic number.

2762878680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2762878680 is an abundant number, since it is smaller than the sum of its proper divisors (6847220520).

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

2762878680 is a wasteful number, since it uses less digits than its factorization.

2762878680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111270 (or 111260 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 2762878680 is about 52563.0923747833. The cubic root of 2762878680 is about 1403.2033247812.

The spelling of 2762878680 in words is "two billion, seven hundred sixty-two million, eight hundred seventy-eight thousand, six hundred eighty".