2678980788 has 36 divisors (see below), whose sum is σ = 7387493568. Its totient is φ = 811812240.

The previous prime is 2678980783. The next prime is 2678980789. The reversal of 2678980788 is 8870898762.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678980783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3382156 + ... + 3382947.

Almost surely, 2^2678980788 is an apocalyptic number.

It is an amenable number.

2678980788 is an abundant number, since it is smaller than the sum of its proper divisors (4708512780).

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

2678980788 is a wasteful number, since it uses less digits than its factorization.

2678980788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765124 (or 6765119 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 63.

The square root of 2678980788 is about 51758.8715873907. The cubic root of 2678980788 is about 1388.8538052061.

The spelling of 2678980788 in words is "two billion, six hundred seventy-eight million, nine hundred eighty thousand, seven hundred eighty-eight".