27721570700085 has 8 divisors (see below), whose sum is σ = 44354513120160. Its totient is φ = 14784837706704.

The previous prime is 27721570700063. The next prime is 27721570700137. The reversal of 27721570700085 is 58000707512772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27721570700085 - 2¹⁷ = 27721570569013 is a prime.

It is a super-2 number, since 2×27721570700085² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924052356655 + ... + 924052356684.

It is an arithmetic number, because the mean of its divisors is an integer number (5544314140020).

Almost surely, 2^{27721570700085} is an apocalyptic number.

It is an amenable number.

27721570700085 is a deficient number, since it is larger than the sum of its proper divisors (16632942420075).

27721570700085 is a wasteful number, since it uses less digits than its factorization.

27721570700085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848104713347.

The product of its (nonzero) digits is 1920800, while the sum is 51.

The spelling of 27721570700085 in words is "twenty-seven trillion, seven hundred twenty-one billion, five hundred seventy million, seven hundred thousand, eighty-five".