27297868028 has 24 divisors (see below), whose sum is σ = 49323926400. Its totient is φ = 13205525760.

The previous prime is 27297867991. The next prime is 27297868049. The reversal of 27297868028 is 82086879272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552800 + ... + 600152.

It is an arithmetic number, because the mean of its divisors is an integer number (2055163600).

Almost surely, 2^27297868028 is an apocalyptic number.

It is an amenable number.

27297868028 is a deficient number, since it is larger than the sum of its proper divisors (22026058372).

27297868028 is a wasteful number, since it uses less digits than its factorization.

27297868028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52037 (or 52035 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 27297868028 in words is "twenty-seven billion, two hundred ninety-seven million, eight hundred sixty-eight thousand, twenty-eight".