776327445 has 12 divisors (see below), whose sum is σ = 1345634316. Its totient is φ = 414041280.

The previous prime is 776327443. The next prime is 776327471. The reversal of 776327445 is 544723677.

776327445 is a `hidden beast` number, since 7 + 7 + 632 + 7 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113934276 + 662393169 = 10674^2 + 25737^2 .

It is not a de Polignac number, because 776327445 - 2¹ = 776327443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 17251721 = 776327445 / (7 + 7 + 6 + 3 + 2 + 7 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 776327445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776327443) 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, 8625816 + ... + 8625905.

It is an arithmetic number, because the mean of its divisors is an integer number (112136193).

Almost surely, 2^776327445 is an apocalyptic number.

It is an amenable number.

776327445 is a deficient number, since it is larger than the sum of its proper divisors (569306871).

776327445 is a wasteful number, since it uses less digits than its factorization.

776327445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17251732 (or 17251729 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 776327445 is about 27862.6532297267. The cubic root of 776327445 is about 919.0694138595.

The spelling of 776327445 in words is "seven hundred seventy-six million, three hundred twenty-seven thousand, four hundred forty-five".