4677786865 has 4 divisors (see below), whose sum is σ = 5613344244. Its totient is φ = 3742229488.

The previous prime is 4677786853. The next prime is 4677786887. The reversal of 4677786865 is 5686877764.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3087691489 + 1590095376 = 55567^2 + 39876^2 .

It is a cyclic number.

It is not a de Polignac number, because 4677786865 - 2¹³ = 4677778673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4677786797 and 4677786806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467778682 + ... + 467778691.

It is an arithmetic number, because the mean of its divisors is an integer number (1403336061).

Almost surely, 2^4677786865 is an apocalyptic number.

It is an amenable number.

4677786865 is a deficient number, since it is larger than the sum of its proper divisors (935557379).

4677786865 is an equidigital number, since it uses as much as digits as its factorization.

4677786865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935557378.

The product of its digits is 94832640, while the sum is 64.

The square root of 4677786865 is about 68394.3481948618. The cubic root of 4677786865 is about 1672.4256127156.

The spelling of 4677786865 in words is "four billion, six hundred seventy-seven million, seven hundred eighty-six thousand, eight hundred sixty-five".