775608513 has 16 divisors (see below), whose sum is σ = 1052678400. Its totient is φ = 507822480.

The previous prime is 775608497. The next prime is 775608539. The reversal of 775608513 is 315806577.

775608513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 775608513 - 2⁴ = 775608497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (775608913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354858 + ... + 357036.

It is an arithmetic number, because the mean of its divisors is an integer number (65792400).

Almost surely, 2^775608513 is an apocalyptic number.

It is an amenable number.

775608513 is a deficient number, since it is larger than the sum of its proper divisors (277069887).

775608513 is a wasteful number, since it uses less digits than its factorization.

775608513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 775608513 is about 27849.7488857620. The cubic root of 775608513 is about 918.7856193141.

The spelling of 775608513 in words is "seven hundred seventy-five million, six hundred eight thousand, five hundred thirteen".