27945858546 has 32 divisors (see below), whose sum is σ = 63616593600. Its totient is φ = 9088083360.

The previous prime is 27945858469. The next prime is 27945858547. The reversal of 27945858546 is 64585854972.

27945858546 is a `hidden beast` number, since 2 + 7 + 9 + 4 + 5 + 8 + 585 + 46 = 666.

It is not an unprimeable number, because it can be changed into a prime (27945858547) 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, 6308956 + ... + 6313383.

It is an arithmetic number, because the mean of its divisors is an integer number (1988018550).

Almost surely, 2^27945858546 is an apocalyptic number.

27945858546 is an abundant number, since it is smaller than the sum of its proper divisors (35670735054).

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

27945858546 is a wasteful number, since it uses less digits than its factorization.

27945858546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622391 (or 12622385 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 27945858546 in words is "twenty-seven billion, nine hundred forty-five million, eight hundred fifty-eight thousand, five hundred forty-six".