2678716884 has 24 divisors (see below), whose sum is σ = 6368271840. Its totient is φ = 876058144.

The previous prime is 2678716871. The next prime is 2678716891. The reversal of 2678716884 is 4886178762.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105274 + ... + 2106545.

It is an arithmetic number, because the mean of its divisors is an integer number (265344660).

Almost surely, 2^2678716884 is an apocalyptic number.

It is an amenable number.

2678716884 is an abundant number, since it is smaller than the sum of its proper divisors (3689554956).

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

2678716884 is a wasteful number, since it uses less digits than its factorization.

2678716884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211879 (or 4211877 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 57.

The square root of 2678716884 is about 51756.3221645433. The cubic root of 2678716884 is about 1388.8081987934.

The spelling of 2678716884 in words is "two billion, six hundred seventy-eight million, seven hundred sixteen thousand, eight hundred eighty-four".