27084666420 has 144 divisors (see below), whose sum is σ = 96183779328. Its totient is φ = 6039774720.

The previous prime is 27084666403. The next prime is 27084666457. The reversal of 27084666420 is 2466648072.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 in 47 ways as a sum of consecutive naturals, for example, 210484 + ... + 313803.

It is an arithmetic number, because the mean of its divisors is an integer number (667942912).

Almost surely, 2^27084666420 is an apocalyptic number.

27084666420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27084666420 is an abundant number, since it is smaller than the sum of its proper divisors (69099112908).

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

27084666420 is a wasteful number, since it uses less digits than its factorization.

27084666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524350 (or 524345 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 27084666420 in words is "twenty-seven billion, eighty-four million, six hundred sixty-six thousand, four hundred twenty".