4772647231 has 4 divisors (see below), whose sum is σ = 5206524264. Its totient is φ = 4338770200.

The previous prime is 4772647219. The next prime is 4772647291. The reversal of 4772647231 is 1327462774.

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

It is a cyclic number.

It is not a de Polignac number, because 4772647231 - 2⁵ = 4772647199 is a prime.

It is a super-2 number, since 2×4772647231² = 45556323183143934722, 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 (4772647211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216938500 + ... + 216938521.

It is an arithmetic number, because the mean of its divisors is an integer number (1301631066).

Almost surely, 2^4772647231 is an apocalyptic number.

4772647231 is a deficient number, since it is larger than the sum of its proper divisors (433877033).

4772647231 is a wasteful number, since it uses less digits than its factorization.

4772647231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433877032.

The product of its digits is 395136, while the sum is 43.

The square root of 4772647231 is about 69084.3486688555. The cubic root of 4772647231 is about 1683.6550278321.

The spelling of 4772647231 in words is "four billion, seven hundred seventy-two million, six hundred forty-seven thousand, two hundred thirty-one".