27721704055000 has 40 divisors (see below), whose sum is σ = 64951952612580. Its totient is φ = 11088681620000.

The previous prime is 27721704054977. The next prime is 27721704055069. The reversal of 27721704055000 is 55040712772.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2772165406 + ... + 2772175405.

Almost surely, 2^{27721704055000} is an apocalyptic number.

27721704055000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27721704055000 is an abundant number, since it is smaller than the sum of its proper divisors (37230248557580).

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

27721704055000 is an equidigital number, since it uses as much as digits as its factorization.

27721704055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544340837 (or 5544340818 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

Adding to 27721704055000 its reverse (55040712772), we get a palindrome (27776744767772).

The spelling of 27721704055000 in words is "twenty-seven trillion, seven hundred twenty-one billion, seven hundred four million, fifty-five thousand".