4772987 has 4 divisors (see below), whose sum is σ = 4790496. Its totient is φ = 4755480.

The previous prime is 4772953. The next prime is 4772993. The reversal of 4772987 is 7892774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7892774 = 2 ⋅3946387.

It is a cyclic number.

It is not a de Polignac number, because 4772987 - 2⁸ = 4772731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4772387) 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, 8339 + ... + 8892.

It is an arithmetic number, because the mean of its divisors is an integer number (1197624).

Almost surely, 2^4772987 is an apocalyptic number.

4772987 is a deficient number, since it is larger than the sum of its proper divisors (17509).

4772987 is a wasteful number, since it uses less digits than its factorization.

4772987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17508.

The product of its digits is 197568, while the sum is 44.

The square root of 4772987 is about 2184.7166864379. The cubic root of 4772987 is about 168.3694980517.

The spelling of 4772987 in words is "four million, seven hundred seventy-two thousand, nine hundred eighty-seven".