5478321505 has 8 divisors (see below), whose sum is σ = 6575572224. Its totient is φ = 4381599600.

The previous prime is 5478321487. The next prime is 5478321523. The reversal of 5478321505 is 5051238745.

It is an interprime number because it is at equal distance from previous prime (5478321487) and next prime (5478321523).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5478321505 - 2⁹ = 5478320993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109041 + ... + 151150.

It is an arithmetic number, because the mean of its divisors is an integer number (821946528).

Almost surely, 2^5478321505 is an apocalyptic number.

It is an amenable number.

5478321505 is a deficient number, since it is larger than the sum of its proper divisors (1097250719).

5478321505 is a wasteful number, since it uses less digits than its factorization.

5478321505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264407.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 5478321505 is about 74015.6841824758. The cubic root of 5478321505 is about 1762.8519430640.

The spelling of 5478321505 in words is "five billion, four hundred seventy-eight million, three hundred twenty-one thousand, five hundred five".