27804352158 has 48 divisors (see below), whose sum is σ = 65799616896. Its totient is φ = 8415274320.

The previous prime is 27804352123. The next prime is 27804352181. The reversal of 27804352158 is 85125340872.

27804352158 is a `hidden beast` number, since 2 + 7 + 80 + 43 + 521 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77641 + ... + 248267.

It is an arithmetic number, because the mean of its divisors is an integer number (1370825352).

Almost surely, 2^27804352158 is an apocalyptic number.

27804352158 is an abundant number, since it is smaller than the sum of its proper divisors (37995264738).

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

27804352158 is a wasteful number, since it uses less digits than its factorization.

27804352158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171469 (or 171466 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 27804352158 in words is "twenty-seven billion, eight hundred four million, three hundred fifty-two thousand, one hundred fifty-eight".