8664013487 has 2 divisors, whose sum is σ = 8664013488. Its totient is φ = 8664013486.

The previous prime is 8664013483. The next prime is 8664013493. The reversal of 8664013487 is 7843104668.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8664013487 - 2² = 8664013483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8664013483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332006743 + 4332006744.

It is an arithmetic number, because the mean of its divisors is an integer number (4332006744).

Almost surely, 2^8664013487 is an apocalyptic number.

8664013487 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664013487 is an equidigital number, since it uses as much as digits as its factorization.

8664013487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 8664013487 is about 93080.6826736891. The cubic root of 8664013487 is about 2053.8704184941.

The spelling of 8664013487 in words is "eight billion, six hundred sixty-four million, thirteen thousand, four hundred eighty-seven".