4978087 has 4 divisors (see below), whose sum is σ = 4982560. Its totient is φ = 4973616.

The previous prime is 4978081. The next prime is 4978109. The reversal of 4978087 is 7808794.

4978087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4978087 - 2³ = 4978079 is a prime.

It is a Duffinian number.

4978087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978081) 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, 898 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (1245640).

Almost surely, 2^4978087 is an apocalyptic number.

4978087 is a deficient number, since it is larger than the sum of its proper divisors (4473).

4978087 is a wasteful number, since it uses less digits than its factorization.

4978087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 4978087 is about 2231.1627013734. The cubic root of 4978087 is about 170.7474241591.

The spelling of 4978087 in words is "four million, nine hundred seventy-eight thousand, eighty-seven".