15886479117 has 16 divisors (see below), whose sum is σ = 21885614208. Its totient is φ = 10244794560.

The previous prime is 15886479079. The next prime is 15886479131. The reversal of 15886479117 is 71197468851.

It is not a de Polignac number, because 15886479117 - 2¹⁵ = 15886446349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15886479187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692338 + ... + 714915.

It is an arithmetic number, because the mean of its divisors is an integer number (1367850888).

Almost surely, 2^15886479117 is an apocalyptic number.

It is an amenable number.

15886479117 is a deficient number, since it is larger than the sum of its proper divisors (5999135091).

15886479117 is a wasteful number, since it uses less digits than its factorization.

15886479117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407380.

The product of its digits is 3386880, while the sum is 57.

The spelling of 15886479117 in words is "fifteen billion, eight hundred eighty-six million, four hundred seventy-nine thousand, one hundred seventeen".