5478730087 has 4 divisors (see below), whose sum is σ = 5508999496. Its totient is φ = 5448460680.

The previous prime is 5478730073. The next prime is 5478730129. The reversal of 5478730087 is 7800378745.

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 5478730087 - 2¹¹ = 5478728039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5478730087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478730057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15134433 + ... + 15134794.

It is an arithmetic number, because the mean of its divisors is an integer number (1377249874).

Almost surely, 2^5478730087 is an apocalyptic number.

5478730087 is a deficient number, since it is larger than the sum of its proper divisors (30269409).

5478730087 is a wasteful number, since it uses less digits than its factorization.

5478730087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30269408.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 5478730087 is about 74018.4442352040. Note that the first 3 decimals coincide. The cubic root of 5478730087 is about 1762.8957674158.

The spelling of 5478730087 in words is "five billion, four hundred seventy-eight million, seven hundred thirty thousand, eighty-seven".