27731516264 has 16 divisors (see below), whose sum is σ = 52004272320. Its totient is φ = 13863710320.

The previous prime is 27731516261. The next prime is 27731516287. The reversal of 27731516264 is 46261513772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27731516261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197642 + ... + 307449.

It is an arithmetic number, because the mean of its divisors is an integer number (3250267020).

Almost surely, 2^27731516264 is an apocalyptic number.

It is an amenable number.

27731516264 is a deficient number, since it is larger than the sum of its proper divisors (24272756056).

27731516264 is a wasteful number, since it uses less digits than its factorization.

27731516264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511960 (or 511956 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 27731516264 in words is "twenty-seven billion, seven hundred thirty-one million, five hundred sixteen thousand, two hundred sixty-four".