2787355116 has 288 divisors, whose sum is σ = 9083762688. Its totient is φ = 701084160.

The previous prime is 2787355099. The next prime is 2787355141. The reversal of 2787355116 is 6115537872.

It is a happy number.

2787355116 is a `hidden beast` number, since 2 + 7 + 87 + 3 + 551 + 16 = 666.

2787355116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6620586 + ... + 6621006.

Almost surely, 2^2787355116 is an apocalyptic number.

2787355116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2787355116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4541881344).

2787355116 is an abundant number, since it is smaller than the sum of its proper divisors (6296407572).

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

2787355116 is a wasteful number, since it uses less digits than its factorization.

2787355116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 536 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 2787355116 is about 52795.4080957805. The cubic root of 2787355116 is about 1407.3348236244.

The spelling of 2787355116 in words is "two billion, seven hundred eighty-seven million, three hundred fifty-five thousand, one hundred sixteen".