15427740871 has 8 divisors (see below), whose sum is σ = 15525761264. Its totient is φ = 15329761920.

The previous prime is 15427740869. The next prime is 15427740893. The reversal of 15427740871 is 17804772451.

15427740871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 15427740871 - 2¹ = 15427740869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15427740841) 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 7 ways as a sum of consecutive naturals, for example, 1127845 + ... + 1141441.

It is an arithmetic number, because the mean of its divisors is an integer number (1940720158).

Almost surely, 2^15427740871 is an apocalyptic number.

15427740871 is a deficient number, since it is larger than the sum of its proper divisors (98020393).

15427740871 is a wasteful number, since it uses less digits than its factorization.

15427740871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20721.

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 15427740871 in words is "fifteen billion, four hundred twenty-seven million, seven hundred forty thousand, eight hundred seventy-one".