27378453528 has 24 divisors (see below), whose sum is σ = 74149978500. Its totient is φ = 9126151152.

The previous prime is 27378453499. The next prime is 27378453547. The reversal of 27378453528 is 82535487372.

27378453528 is a `hidden beast` number, since 2 + 7 + 3 + 7 + 84 + 535 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190128078 + ... + 190128221.

Almost surely, 2^27378453528 is an apocalyptic number.

It is an amenable number.

27378453528 is an abundant number, since it is smaller than the sum of its proper divisors (46771524972).

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

27378453528 is a wasteful number, since it uses less digits than its factorization.

27378453528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380256311 (or 380256304 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 27378453528 in words is "twenty-seven billion, three hundred seventy-eight million, four hundred fifty-three thousand, five hundred twenty-eight".