775689013 has 24 divisors (see below), whose sum is σ = 885780000. Its totient is φ = 677957280.

The previous prime is 775689001. The next prime is 775689043. The reversal of 775689013 is 310986577.

775689013 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 775689013 - 2⁵ = 775688981 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775689043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1554238 + ... + 1554736.

It is an arithmetic number, because the mean of its divisors is an integer number (36907500).

Almost surely, 2^775689013 is an apocalyptic number.

It is an amenable number.

775689013 is a deficient number, since it is larger than the sum of its proper divisors (110090987).

775689013 is a wasteful number, since it uses less digits than its factorization.

775689013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 775689013 is about 27851.1941036646. The cubic root of 775689013 is about 918.8174049734.

It can be divided in two parts, 7756 and 89013, that added together give a palindrome (96769).

The spelling of 775689013 in words is "seven hundred seventy-five million, six hundred eighty-nine thousand, thirteen".