2785863368 has 12 divisors (see below), whose sum is σ = 5223773745. Its totient is φ = 1392857040.

The previous prime is 2785863341. The next prime is 2785863371. The reversal of 2785863368 is 8633685872.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2182571524 + 603291844 = 46718^2 + 24562^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=37322.

It is a super-2 number, since 2×2785863368² = 15522069410328606848, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 139958 + ... + 158618.

Almost surely, 2^2785863368 is an apocalyptic number.

It is an amenable number.

2785863368 is a deficient number, since it is larger than the sum of its proper divisors (2437910377).

2785863368 is an frugal number, since it uses more digits than its factorization.

2785863368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37328 (or 18663 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The square root of 2785863368 is about 52781.2785748887. The cubic root of 2785863368 is about 1407.0837177728.

The spelling of 2785863368 in words is "two billion, seven hundred eighty-five million, eight hundred sixty-three thousand, three hundred sixty-eight".