775774413 has 12 divisors (see below), whose sum is σ = 1186478748. Its totient is φ = 486760320.

The previous prime is 775774399. The next prime is 775774451. The reversal of 775774413 is 314477577.

It is a happy number.

775774413 is a `hidden beast` number, since 77 + 577 + 4 + 4 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 714653289 + 61121124 = 26733^2 + 7818^2 .

It is not a de Polignac number, because 775774413 - 2¹⁴ = 775758029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775774453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2535058 + ... + 2535363.

It is an arithmetic number, because the mean of its divisors is an integer number (98873229).

Almost surely, 2^775774413 is an apocalyptic number.

It is an amenable number.

775774413 is a deficient number, since it is larger than the sum of its proper divisors (410704335).

775774413 is a wasteful number, since it uses less digits than its factorization.

775774413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070444 (or 5070441 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 775774413 is about 27852.7272093775. The cubic root of 775774413 is about 918.8511230080.

The spelling of 775774413 in words is "seven hundred seventy-five million, seven hundred seventy-four thousand, four hundred thirteen".