27815674848 has 72 divisors (see below), whose sum is σ = 79064867448. Its totient is φ = 8558664192.

The previous prime is 27815674811. The next prime is 27815674871. The reversal of 27815674848 is 84847651872.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 27815674791 and 27815674800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841015 + ... + 873462.

It is an arithmetic number, because the mean of its divisors is an integer number (1098123159).

Almost surely, 2^27815674848 is an apocalyptic number.

It is an amenable number.

27815674848 is an abundant number, since it is smaller than the sum of its proper divisors (51249192600).

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

27815674848 is a wasteful number, since it uses less digits than its factorization.

27815674848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714516 (or 1714495 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 60.

The spelling of 27815674848 in words is "twenty-seven billion, eight hundred fifteen million, six hundred seventy-four thousand, eight hundred forty-eight".