2788081677 has 24 divisors (see below), whose sum is σ = 4103094528. Its totient is φ = 1823853600.

The previous prime is 2788081649. The next prime is 2788081691. The reversal of 2788081677 is 7761808872.

It is not a de Polignac number, because 2788081677 - 2⁶ = 2788081613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788081607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230728 + ... + 242510.

It is an arithmetic number, because the mean of its divisors is an integer number (170962272).

Almost surely, 2^2788081677 is an apocalyptic number.

It is an amenable number.

2788081677 is a deficient number, since it is larger than the sum of its proper divisors (1315012851).

2788081677 is a wasteful number, since it uses less digits than its factorization.

2788081677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281 (or 12278 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The square root of 2788081677 is about 52802.2885583570. The cubic root of 2788081677 is about 1407.4570931503.

The spelling of 2788081677 in words is "two billion, seven hundred eighty-eight million, eighty-one thousand, six hundred seventy-seven".