27238090816 has 14 divisors (see below), whose sum is σ = 54050586590. Its totient is φ = 13619045376.

The previous prime is 27238090793. The next prime is 27238090843. The reversal of 27238090816 is 61809083272.

It can be written as a sum of positive squares in only one way, i.e., 21932425216 + 5305665600 = 148096^2 + 72840^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212797521 + ... + 212797648.

It is an arithmetic number, because the mean of its divisors is an integer number (3860756185).

Almost surely, 2^27238090816 is an apocalyptic number.

It is an amenable number.

27238090816 is a deficient number, since it is larger than the sum of its proper divisors (26812495774).

27238090816 is an equidigital number, since it uses as much as digits as its factorization.

27238090816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425595181 (or 425595171 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 27238090816 in words is "twenty-seven billion, two hundred thirty-eight million, ninety thousand, eight hundred sixteen".