4767728997 has 16 divisors (see below), whose sum is σ = 6419350080. Its totient is φ = 3147334272.

The previous prime is 4767728989. The next prime is 4767729011. The reversal of 4767728997 is 7998277674.

It is a happy number.

It is not a de Polignac number, because 4767728997 - 2³ = 4767728989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4767728947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659233 + ... + 666425.

It is an arithmetic number, because the mean of its divisors is an integer number (401209380).

Almost surely, 2^4767728997 is an apocalyptic number.

It is an amenable number.

4767728997 is a deficient number, since it is larger than the sum of its proper divisors (1651621083).

4767728997 is a wasteful number, since it uses less digits than its factorization.

4767728997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332.

The product of its digits is 74680704, while the sum is 66.

The square root of 4767728997 is about 69048.7436308583. The cubic root of 4767728997 is about 1683.0764910836.

The spelling of 4767728997 in words is "four billion, seven hundred sixty-seven million, seven hundred twenty-eight thousand, nine hundred ninety-seven".