8464885987 has 4 divisors (see below), whose sum is σ = 8500304160. Its totient is φ = 8429467816.

The previous prime is 8464885969. The next prime is 8464886047. The reversal of 8464885987 is 7895884648.

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 8464885987 - 2⁷ = 8464885859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8464885907) 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 3 ways as a sum of consecutive naturals, for example, 17708728 + ... + 17709205.

It is an arithmetic number, because the mean of its divisors is an integer number (2125076040).

Almost surely, 2^8464885987 is an apocalyptic number.

8464885987 is a deficient number, since it is larger than the sum of its proper divisors (35418173).

8464885987 is a wasteful number, since it uses less digits than its factorization.

8464885987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35418172.

The product of its digits is 123863040, while the sum is 67.

The square root of 8464885987 is about 92004.8150207368. The cubic root of 8464885987 is about 2038.0134116732.

The spelling of 8464885987 in words is "eight billion, four hundred sixty-four million, eight hundred eighty-five thousand, nine hundred eighty-seven".