8713966987 has 4 divisors (see below), whose sum is σ = 9506145816. Its totient is φ = 7921788160.

The previous prime is 8713966973. The next prime is 8713966997. The reversal of 8713966987 is 7896693178.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-8713966987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8713966907) 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, 396089398 + ... + 396089419.

It is an arithmetic number, because the mean of its divisors is an integer number (2376536454).

Almost surely, 2^8713966987 is an apocalyptic number.

8713966987 is a deficient number, since it is larger than the sum of its proper divisors (792178829).

8713966987 is a wasteful number, since it uses less digits than its factorization.

8713966987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792178828.

The product of its digits is 27433728, while the sum is 64.

The square root of 8713966987 is about 93348.6314147133. The cubic root of 8713966987 is about 2057.8101424466.

The spelling of 8713966987 in words is "eight billion, seven hundred thirteen million, nine hundred sixty-six thousand, nine hundred eighty-seven".