27964812552648 has 32 divisors (see below), whose sum is σ = 69918240389760. Its totient is φ = 9320776316480.

The previous prime is 27964812552641. The next prime is 27964812552653. The reversal of 27964812552648 is 84625521846972.

It is a super-3 number, since 3×27964812552648³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (27964812552641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51465840 + ... + 52006367.

It is an arithmetic number, because the mean of its divisors is an integer number (2184945012180).

Almost surely, 2^{27964812552648} is an apocalyptic number.

It is an amenable number.

27964812552648 is an abundant number, since it is smaller than the sum of its proper divisors (41953427837112).

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

27964812552648 is a wasteful number, since it uses less digits than its factorization.

27964812552648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103483477 (or 103483473 counting only the distinct ones).

The product of its digits is 464486400, while the sum is 69.

The spelling of 27964812552648 in words is "twenty-seven trillion, nine hundred sixty-four billion, eight hundred twelve million, five hundred fifty-two thousand, six hundred forty-eight".