2785248665 has 8 divisors (see below), whose sum is σ = 3518208960. Its totient is φ = 2110925232.

The previous prime is 2785248629. The next prime is 2785248671. The reversal of 2785248665 is 5668425872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2785248665 - 2⁸ = 2785248409 is a prime.

It is a super-2 number, since 2×2785248665² = 15515220251768564450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14659109 + ... + 14659298.

It is an arithmetic number, because the mean of its divisors is an integer number (439776120).

Almost surely, 2^2785248665 is an apocalyptic number.

It is an amenable number.

2785248665 is a deficient number, since it is larger than the sum of its proper divisors (732960295).

2785248665 is a wasteful number, since it uses less digits than its factorization.

2785248665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29318431.

The product of its digits is 6451200, while the sum is 53.

The square root of 2785248665 is about 52775.4551377816. The cubic root of 2785248665 is about 1406.9802187742.

The spelling of 2785248665 in words is "two billion, seven hundred eighty-five million, two hundred forty-eight thousand, six hundred sixty-five".