2787979828726 has 8 divisors (see below), whose sum is σ = 4182246355464. Its totient is φ = 1393897710240.

The previous prime is 2787979828709. The next prime is 2787979828757. The reversal of 2787979828726 is 6278289797872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2787979828726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46064260 + ... + 46124743.

It is an arithmetic number, because the mean of its divisors is an integer number (522780794433).

Almost surely, 2^{2787979828726} is an apocalyptic number.

2787979828726 is a deficient number, since it is larger than the sum of its proper divisors (1394266526738).

2787979828726 is a wasteful number, since it uses less digits than its factorization.

2787979828726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92204126.

The product of its digits is 4779565056, while the sum is 82.

It can be divided in two parts, 2787979 and 828726, that added together give a triangular number (3616705 = T₂₆₈₉).

The spelling of 2787979828726 in words is "two trillion, seven hundred eighty-seven billion, nine hundred seventy-nine million, eight hundred twenty-eight thousand, seven hundred twenty-six".