15710873987987 has 4 divisors (see below), whose sum is σ = 16007305572720. Its totient is φ = 15414442403256.

The previous prime is 15710873987971. The next prime is 15710873988001. The reversal of 15710873987987 is 78978937801751.

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 15710873987987 - 2⁴ = 15710873987971 is a prime.

It is a super-2 number, since 2×15710873987987² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15710873980987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148215792287 + ... + 148215792392.

It is an arithmetic number, because the mean of its divisors is an integer number (4001826393180).

Almost surely, 2^{15710873987987} is an apocalyptic number.

15710873987987 is a deficient number, since it is larger than the sum of its proper divisors (296431584733).

15710873987987 is an equidigital number, since it uses as much as digits as its factorization.

15710873987987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296431584732.

The product of its (nonzero) digits is 1493614080, while the sum is 80.

The spelling of 15710873987987 in words is "fifteen trillion, seven hundred ten billion, eight hundred seventy-three million, nine hundred eighty-seven thousand, nine hundred eighty-seven".