27745696884 has 48 divisors (see below), whose sum is σ = 68191692800. Its totient is φ = 8756094816.

The previous prime is 27745696859. The next prime is 27745696907. The reversal of 27745696884 is 48869654772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318447 + ... + 396105.

Almost surely, 2^27745696884 is an apocalyptic number.

It is an amenable number.

27745696884 is an abundant number, since it is smaller than the sum of its proper divisors (40445995916).

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

27745696884 is a wasteful number, since it uses less digits than its factorization.

27745696884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79252 (or 79250 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 66.

The spelling of 27745696884 in words is "twenty-seven billion, seven hundred forty-five million, six hundred ninety-six thousand, eight hundred eighty-four".