27493998705612 has 192 divisors, whose sum is σ = 74706206740480. Its totient is φ = 8733396672000.

The previous prime is 27493998705577. The next prime is 27493998705629. The reversal of 27493998705612 is 21650789939472.

27493998705612 is a `hidden beast` number, since 2 + 7 + 493 + 9 + 9 + 8 + 70 + 5 + 61 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 640849362 + ... + 640892262.

It is a 1-persistent number, because it is pandigital, but 2⋅27493998705612 = 54987997411224 is not.

Almost surely, 2^{27493998705612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27493998705612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37353103370240).

27493998705612 is an abundant number, since it is smaller than the sum of its proper divisors (47212208034868).

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

27493998705612 is a wasteful number, since it uses less digits than its factorization.

27493998705612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45869 (or 45861 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 72.

The spelling of 27493998705612 in words is "twenty-seven trillion, four hundred ninety-three billion, nine hundred ninety-eight million, seven hundred five thousand, six hundred twelve".