27866734072 has 32 divisors (see below), whose sum is σ = 52938345600. Its totient is φ = 13750215264.

The previous prime is 27866734037. The next prime is 27866734079. The reversal of 27866734072 is 27043766872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27866734079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587383 + ... + 633049.

It is an arithmetic number, because the mean of its divisors is an integer number (1654323300).

Almost surely, 2^27866734072 is an apocalyptic number.

It is an amenable number.

27866734072 is a deficient number, since it is larger than the sum of its proper divisors (25071611528).

27866734072 is a wasteful number, since it uses less digits than its factorization.

27866734072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46675 (or 46671 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 27866734072 in words is "twenty-seven billion, eight hundred sixty-six million, seven hundred thirty-four thousand, seventy-two".