27398856676 has 9 divisors (see below), whose sum is σ = 47948578531. Its totient is φ = 13699262812.

The previous prime is 27398856673. The next prime is 27398856679. The reversal of 27398856676 is 67665889372.

The square root of 27398856676 is 165526.

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

It is an interprime number because it is at equal distance from previous prime (27398856673) and next prime (27398856679).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27398856671) 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, 289671 + ... + 372433.

Almost surely, 2^27398856676 is an apocalyptic number.

27398856676 is the 165526-th square number.

It is an amenable number.

27398856676 is a deficient number, since it is larger than the sum of its proper divisors (20549721855).

27398856676 is an frugal number, since it uses more digits than its factorization.

27398856676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165530 (or 82765 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 67.

The spelling of 27398856676 in words is "twenty-seven billion, three hundred ninety-eight million, eight hundred fifty-six thousand, six hundred seventy-six".