2786649672 has 64 divisors (see below), whose sum is σ = 7401700800. Its totient is φ = 872605440.

The previous prime is 2786649667. The next prime is 2786649689. The reversal of 2786649672 is 2769466872.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28354 + ... + 79857.

It is an arithmetic number, because the mean of its divisors is an integer number (115651575).

Almost surely, 2^2786649672 is an apocalyptic number.

It is an amenable number.

2786649672 is an abundant number, since it is smaller than the sum of its proper divisors (4615051128).

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

2786649672 is a wasteful number, since it uses less digits than its factorization.

2786649672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108286 (or 108282 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 57.

The square root of 2786649672 is about 52788.7267510782. The cubic root of 2786649672 is about 1407.2160874471.

The spelling of 2786649672 in words is "two billion, seven hundred eighty-six million, six hundred forty-nine thousand, six hundred seventy-two".