27764669418 has 16 divisors (see below), whose sum is σ = 55553646720. Its totient is φ = 9250838496.

The previous prime is 27764669393. The next prime is 27764669423. The reversal of 27764669418 is 81496646772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997963 + ... + 1025406.

It is an arithmetic number, because the mean of its divisors is an integer number (3472102920).

Almost surely, 2^27764669418 is an apocalyptic number.

27764669418 is an abundant number, since it is smaller than the sum of its proper divisors (27788977302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27764669418 is a wasteful number, since it uses less digits than its factorization.

27764669418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025661.

The product of its digits is 24385536, while the sum is 60.

The spelling of 27764669418 in words is "twenty-seven billion, seven hundred sixty-four million, six hundred sixty-nine thousand, four hundred eighteen".