15478387713 has 16 divisors (see below), whose sum is σ = 23141324800. Its totient is φ = 10224254160.

The previous prime is 15478387697. The next prime is 15478387733. The reversal of 15478387713 is 31778387451.

15478387713 is a `hidden beast` number, since 1 + 547 + 8 + 3 + 87 + 7 + 13 = 666.

It is not a de Polignac number, because 15478387713 - 2⁴ = 15478387697 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 15478387713.

It is not an unprimeable number, because it can be changed into a prime (15478387733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626753 + ... + 2632638.

It is an arithmetic number, because the mean of its divisors is an integer number (1446332800).

Almost surely, 2^15478387713 is an apocalyptic number.

It is an amenable number.

15478387713 is a deficient number, since it is larger than the sum of its proper divisors (7662937087).

15478387713 is a wasteful number, since it uses less digits than its factorization.

15478387713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259509 (or 5259503 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

It can be divided in two parts, 1547838 and 7713, that added together give a palindrome (1555551).

The spelling of 15478387713 in words is "fifteen billion, four hundred seventy-eight million, three hundred eighty-seven thousand, seven hundred thirteen".