4487966622187 has 4 divisors (see below), whose sum is σ = 4497787118536. Its totient is φ = 4478146125840.

The previous prime is 4487966622169. The next prime is 4487966622197. The reversal of 4487966622187 is 7812266697844.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4487966622187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4487966622107) 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, 4910247489 + ... + 4910248402.

It is an arithmetic number, because the mean of its divisors is an integer number (1124446779634).

Almost surely, 2^{4487966622187} is an apocalyptic number.

4487966622187 is a deficient number, since it is larger than the sum of its proper divisors (9820496349).

4487966622187 is an equidigital number, since it uses as much as digits as its factorization.

4487966622187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820496348.

The product of its digits is 390168576, while the sum is 70.

The spelling of 4487966622187 in words is "four trillion, four hundred eighty-seven billion, nine hundred sixty-six million, six hundred twenty-two thousand, one hundred eighty-seven".