4776987 has 4 divisors (see below), whose sum is σ = 6369320. Its totient is φ = 3184656.

The previous prime is 4776979. The next prime is 4777001. The reversal of 4776987 is 7896774.

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

It is not a de Polignac number, because 4776987 - 2³ = 4776979 is a prime.

It is a D-number.

It is a Duffinian number.

4776987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4776907) 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, 796162 + ... + 796167.

It is an arithmetic number, because the mean of its divisors is an integer number (1592330).

Almost surely, 2^4776987 is an apocalyptic number.

4776987 is a deficient number, since it is larger than the sum of its proper divisors (1592333).

4776987 is a wasteful number, since it uses less digits than its factorization.

4776987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592332.

The product of its digits is 592704, while the sum is 48.

The square root of 4776987 is about 2185.6319452277. The cubic root of 4776987 is about 168.4165189175.

The spelling of 4776987 in words is "four million, seven hundred seventy-six thousand, nine hundred eighty-seven".