4487787949966 has 4 divisors (see below), whose sum is σ = 6731681924952. Its totient is φ = 2243893974982.

The previous prime is 4487787949901. The next prime is 4487787949979. The reversal of 4487787949966 is 6699497877844.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1121946987490 + ... + 1121946987493.

It is an arithmetic number, because the mean of its divisors is an integer number (1682920481238).

Almost surely, 2^{4487787949966} is an apocalyptic number.

4487787949966 is a deficient number, since it is larger than the sum of its proper divisors (2243893974986).

4487787949966 is a wasteful number, since it uses less digits than its factorization.

4487787949966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243893974985.

The product of its digits is 36870930432, while the sum is 88.

The spelling of 4487787949966 in words is "four trillion, four hundred eighty-seven billion, seven hundred eighty-seven million, nine hundred forty-nine thousand, nine hundred sixty-six".