27379597887 has 40 divisors (see below), whose sum is σ = 41606212032. Its totient is φ = 17938584000.

The previous prime is 27379597867. The next prime is 27379597891. The reversal of 27379597887 is 78879597372.

27379597887 is a `hidden beast` number, since 27 + 3 + 7 + 9 + 597 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 27379597887 - 2¹⁴ = 27379581503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27379597867) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11615113 + ... + 11617469.

Almost surely, 2^27379597887 is an apocalyptic number.

27379597887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27379597887 is a deficient number, since it is larger than the sum of its proper divisors (14226614145).

27379597887 is a wasteful number, since it uses less digits than its factorization.

27379597887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781 (or 4772 counting only the distinct ones).

The product of its digits is 373403520, while the sum is 72.

The spelling of 27379597887 in words is "twenty-seven billion, three hundred seventy-nine million, five hundred ninety-seven thousand, eight hundred eighty-seven".