27726488488 has 16 divisors (see below), whose sum is σ = 52501891860. Its totient is φ = 13725984000.

The previous prime is 27726488407. The next prime is 27726488513. The reversal of 27726488488 is 88488462772.

It can be written as a sum of positive squares in 2 ways, for example, as 23759756164 + 3966732324 = 154142^2 + 62982^2 .

It is a super-2 number, since 2×27726488488² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17156673 + ... + 17158288.

Almost surely, 2^27726488488 is an apocalyptic number.

It is an amenable number.

27726488488 is a deficient number, since it is larger than the sum of its proper divisors (24775403372).

27726488488 is a wasteful number, since it uses less digits than its factorization.

27726488488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34315068 (or 34315064 counting only the distinct ones).

The product of its digits is 77070336, while the sum is 64.

The spelling of 27726488488 in words is "twenty-seven billion, seven hundred twenty-six million, four hundred eighty-eight thousand, four hundred eighty-eight".