27870091328412 has 48 divisors (see below), whose sum is σ = 72366444571680. Its totient is φ = 9275803726464.

The previous prime is 27870091328411. The next prime is 27870091328419. The reversal of 27870091328412 is 21482319007872.

27870091328412 is a `hidden beast` number, since 2 + 78 + 70 + 0 + 91 + 3 + 2 + 8 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27870091328411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197522433 + ... + 197663480.

It is an arithmetic number, because the mean of its divisors is an integer number (1507634261910).

Almost surely, 2^{27870091328412} is an apocalyptic number.

It is an amenable number.

27870091328412 is an abundant number, since it is smaller than the sum of its proper divisors (44496353243268).

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

27870091328412 is a wasteful number, since it uses less digits than its factorization.

27870091328412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395186579 (or 395186571 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 27870091328412 in words is "twenty-seven trillion, eight hundred seventy billion, ninety-one million, three hundred twenty-eight thousand, four hundred twelve".