27726355828 has 6 divisors (see below), whose sum is σ = 48521122706. Its totient is φ = 13863177912.

The previous prime is 27726355793. The next prime is 27726355843. The reversal of 27726355828 is 82855362772.

It can be written as a sum of positive squares in only one way, i.e., 17519699044 + 10206656784 = 132362^2 + 101028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465794475 + ... + 3465794482.

Almost surely, 2^27726355828 is an apocalyptic number.

It is an amenable number.

27726355828 is a deficient number, since it is larger than the sum of its proper divisors (20794766878).

27726355828 is a wasteful number, since it uses less digits than its factorization.

27726355828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931588961 (or 6931588959 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The spelling of 27726355828 in words is "twenty-seven billion, seven hundred twenty-six million, three hundred fifty-five thousand, eight hundred twenty-eight".