27000048000021 has 32 divisors (see below), whose sum is σ = 36492559564416. Its totient is φ = 17755135200000.

The previous prime is 27000047999963. The next prime is 27000048000041. The reversal of 27000048000021 is 12000084000072.

It is not a de Polignac number, because 27000048000021 - 2¹⁴ = 27000047983637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27000047999955 and 27000048000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27000048000041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830984586 + ... + 831017076.

It is an arithmetic number, because the mean of its divisors is an integer number (1140392486388).

Almost surely, 2^{27000048000021} is an apocalyptic number.

27000048000021 is the 3000003-rd octagonal number.

It is an amenable number.

27000048000021 is a deficient number, since it is larger than the sum of its proper divisors (9492511564395).

27000048000021 is a wasteful number, since it uses less digits than its factorization.

27000048000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42773.

The product of its (nonzero) digits is 896, while the sum is 24.

The spelling of 27000048000021 in words is "twenty-seven trillion, forty-eight million, twenty-one", and thus it is an aban number and an uban number.