4777729855 has 8 divisors (see below), whose sum is σ = 5982548832. Its totient is φ = 3656001888.

The previous prime is 4777729843. The next prime is 4777729883. The reversal of 4777729855 is 5589277774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4777729855 - 2¹⁵ = 4777697087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4777729793 and 4777729802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20772624 + ... + 20772853.

It is an arithmetic number, because the mean of its divisors is an integer number (747818604).

Almost surely, 2^4777729855 is an apocalyptic number.

4777729855 is a deficient number, since it is larger than the sum of its proper divisors (1204818977).

4777729855 is a wasteful number, since it uses less digits than its factorization.

4777729855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41545505.

The product of its digits is 34574400, while the sum is 61.

The square root of 4777729855 is about 69121.1245206558. The cubic root of 4777729855 is about 1684.2524844852.

The spelling of 4777729855 in words is "four billion, seven hundred seventy-seven million, seven hundred twenty-nine thousand, eight hundred fifty-five".