26927497216 has 51 divisors (see below), whose sum is σ = 53938731133. Its totient is φ = 13442744320.

The previous prime is 26927497213. The next prime is 26927497217. The reversal of 26927497216 is 61279472962.

The square root of 26927497216 is 164096.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24306057216 + 2621440000 = 155904^2 + 51200^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26927497213) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42008256 + ... + 42008896.

Almost surely, 2^26927497216 is an apocalyptic number.

26927497216 is the 164096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26927497216

26927497216 is an abundant number, since it is smaller than the sum of its proper divisors (27011233917).

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

26927497216 is an frugal number, since it uses more digits than its factorization.

26927497216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 643 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The spelling of 26927497216 in words is "twenty-six billion, nine hundred twenty-seven million, four hundred ninety-seven thousand, two hundred sixteen".