4777947636 has 96 divisors (see below), whose sum is σ = 13999856640. Its totient is φ = 1232064000.

The previous prime is 4777947611. The next prime is 4777947641. The reversal of 4777947636 is 6367497774.

It is a super-2 number, since 2×4777947636² = 45657567224715976992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4777947636.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 109836 + ... + 147036.

It is an arithmetic number, because the mean of its divisors is an integer number (145831840).

Almost surely, 2^4777947636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4777947636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6999928320).

4777947636 is an abundant number, since it is smaller than the sum of its proper divisors (9221909004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4777947636 is a wasteful number, since it uses less digits than its factorization.

4777947636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37365 (or 37363 counting only the distinct ones).

The product of its digits is 37340352, while the sum is 60.

The square root of 4777947636 is about 69122.6998604655. The cubic root of 4777947636 is about 1684.2780749245.

The spelling of 4777947636 in words is "four billion, seven hundred seventy-seven million, nine hundred forty-seven thousand, six hundred thirty-six".