27741027664 has 20 divisors (see below), whose sum is σ = 61426561504. Its totient is φ = 11889011808.

The previous prime is 27741027649. The next prime is 27741027679. The reversal of 27741027664 is 46672014772.

It is an interprime number because it is at equal distance from previous prime (27741027649) and next prime (27741027679).

It is a congruent number.

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, 123843762 + ... + 123843985.

Almost surely, 2^27741027664 is an apocalyptic number.

It is an amenable number.

27741027664 is an abundant number, since it is smaller than the sum of its proper divisors (33685533840).

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

27741027664 is a wasteful number, since it uses less digits than its factorization.

27741027664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247687762 (or 247687756 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 27741027664 in words is "twenty-seven billion, seven hundred forty-one million, twenty-seven thousand, six hundred sixty-four".