27234863604 has 144 divisors (see below), whose sum is σ = 77321200320. Its totient is φ = 8332450560.

The previous prime is 27234863581. The next prime is 27234863627. The reversal of 27234863604 is 40636843272.

27234863604 is a `hidden beast` number, since 2 + 7 + 2 + 3 + 4 + 8 + 636 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (27234863581) and next prime (27234863627).

It is a self number, because there is not a number n which added to its sum of digits gives 27234863604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2255824 + ... + 2267864.

It is an arithmetic number, because the mean of its divisors is an integer number (536952780).

Almost surely, 2^27234863604 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 27234863604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38660600160).

27234863604 is an abundant number, since it is smaller than the sum of its proper divisors (50086336716).

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

27234863604 is a wasteful number, since it uses less digits than its factorization.

27234863604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12252 (or 12238 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 27234863604 in words is "twenty-seven billion, two hundred thirty-four million, eight hundred sixty-three thousand, six hundred four".