27011897402454 has 24 divisors (see below), whose sum is σ = 58526145664272. Its totient is φ = 9003909191760.

The previous prime is 27011897402417. The next prime is 27011897402467. The reversal of 27011897402454 is 45420479811072.

It is a happy number.

27011897402454 is a `hidden beast` number, since 2 + 7 + 0 + 1 + 189 + 7 + 4 + 0 + 2 + 454 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27011897402454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1723549 + ... + 7549464.

It is an arithmetic number, because the mean of its divisors is an integer number (2438589402678).

Almost surely, 2^{27011897402454} is an apocalyptic number.

27011897402454 is an abundant number, since it is smaller than the sum of its proper divisors (31514248261818).

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

27011897402454 is a wasteful number, since it uses less digits than its factorization.

27011897402454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434852 (or 9434849 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 27011897402454 in words is "twenty-seven trillion, eleven billion, eight hundred ninety-seven million, four hundred two thousand, four hundred fifty-four".