2787695916 has 12 divisors (see below), whose sum is σ = 6504623832. Its totient is φ = 929231968.

The previous prime is 2787695837. The next prime is 2787695947. The reversal of 2787695916 is 6195967872.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2787695916.

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, 116153985 + ... + 116154008.

It is an arithmetic number, because the mean of its divisors is an integer number (542051986).

Almost surely, 2^2787695916 is an apocalyptic number.

It is an amenable number.

2787695916 is an abundant number, since it is smaller than the sum of its proper divisors (3716927916).

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

2787695916 is a wasteful number, since it uses less digits than its factorization.

2787695916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232308000 (or 232307998 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 60.

The square root of 2787695916 is about 52798.6355505519. The cubic root of 2787695916 is about 1407.3921778954.

The spelling of 2787695916 in words is "two billion, seven hundred eighty-seven million, six hundred ninety-five thousand, nine hundred sixteen".