3078783513 has 28 divisors (see below), whose sum is σ = 4971160740. Its totient is φ = 1894630176.

The previous prime is 3078783511. The next prime is 3078783527. The reversal of 3078783513 is 3153878703.

It can be written as a sum of positive squares in 2 ways, for example, as 1631513664 + 1447269849 = 40392^2 + 38043^2 .

It is not a de Polignac number, because 3078783513 - 2¹ = 3078783511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3078783511) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 152958 + ... + 171911.

It is an arithmetic number, because the mean of its divisors is an integer number (177541455).

Almost surely, 2^3078783513 is an apocalyptic number.

It is an amenable number.

3078783513 is a deficient number, since it is larger than the sum of its proper divisors (1892377227).

3078783513 is an equidigital number, since it uses as much as digits as its factorization.

3078783513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324900 (or 324885 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 3078783513 is about 55486.7868325424. The cubic root of 3078783513 is about 1454.7656929536.

The spelling of 3078783513 in words is "three billion, seventy-eight million, seven hundred eighty-three thousand, five hundred thirteen".