2787421996 has 6 divisors (see below), whose sum is σ = 4877988500. Its totient is φ = 1393710996.

The previous prime is 2787421991. The next prime is 2787422021. The reversal of 2787421996 is 6991247872.

It is not an unprimeable number, because it can be changed into a prime (2787421991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348427746 + ... + 348427753.

Almost surely, 2^2787421996 is an apocalyptic number.

It is an amenable number.

2787421996 is a deficient number, since it is larger than the sum of its proper divisors (2090566504).

2787421996 is a wasteful number, since it uses less digits than its factorization.

2787421996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696855503 (or 696855501 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 2787421996 is about 52796.0414803989. The cubic root of 2787421996 is about 1407.3460794321.

The spelling of 2787421996 in words is "two billion, seven hundred eighty-seven million, four hundred twenty-one thousand, nine hundred ninety-six".