4772491786 has 4 divisors (see below), whose sum is σ = 7158737682. Its totient is φ = 2386245892.

The previous prime is 4772491777. The next prime is 4772491849. The reversal of 4772491786 is 6871942774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6871942774 = 2 ⋅3435971387.

It can be written as a sum of positive squares in only one way, i.e., 4675961161 + 96530625 = 68381^2 + 9825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193122945 + ... + 1193122948.

Almost surely, 2^4772491786 is an apocalyptic number.

4772491786 is a deficient number, since it is larger than the sum of its proper divisors (2386245896).

4772491786 is a wasteful number, since it uses less digits than its factorization.

4772491786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386245895.

The product of its digits is 4741632, while the sum is 55.

The square root of 4772491786 is about 69083.2236219475. The cubic root of 4772491786 is about 1683.6367487664.

The spelling of 4772491786 in words is "four billion, seven hundred seventy-two million, four hundred ninety-one thousand, seven hundred eighty-six".