4777728623 has 8 divisors (see below), whose sum is σ = 4790053296. Its totient is φ = 4765420800.

The previous prime is 4777728617. The next prime is 4777728677. The reversal of 4777728623 is 3268277774.

It is a happy number.

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 4777728623 - 2¹² = 4777724527 is a prime.

It is a super-2 number, since 2×4777728623² = 45653381590066952258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4777718623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710708 + ... + 717398.

It is an arithmetic number, because the mean of its divisors is an integer number (598756662).

Almost surely, 2^4777728623 is an apocalyptic number.

4777728623 is a deficient number, since it is larger than the sum of its proper divisors (12324673).

4777728623 is a wasteful number, since it uses less digits than its factorization.

4777728623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425.

The product of its digits is 5531904, while the sum is 53.

The square root of 4777728623 is about 69121.1156087631. The cubic root of 4777728623 is about 1684.2523397164.

The spelling of 4777728623 in words is "four billion, seven hundred seventy-seven million, seven hundred twenty-eight thousand, six hundred twenty-three".