2787979828725 has 192 divisors, whose sum is σ = 6432185536000. Its totient is φ = 1176464943360.

The previous prime is 2787979828709. The next prime is 2787979828757. The reversal of 2787979828725 is 5278289797872.

2787979828725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2787979828725 - 2⁴ = 2787979828709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2546679 + ... + 3472971.

Almost surely, 2^{2787979828725} is an apocalyptic number.

2787979828725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2787979828725 is an abundant number, since it is smaller than the sum of its proper divisors (3644205707275).

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

2787979828725 is a wasteful number, since it uses less digits than its factorization.

2787979828725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926346 (or 926321 counting only the distinct ones).

The product of its digits is 3982970880, while the sum is 81.

The spelling of 2787979828725 in words is "two trillion, seven hundred eighty-seven billion, nine hundred seventy-nine million, eight hundred twenty-eight thousand, seven hundred twenty-five".