27498989338656 has 96 divisors (see below), whose sum is σ = 78749727952896. Its totient is φ = 8332749600000.

The previous prime is 27498989338651. The next prime is 27498989338657. The reversal of 27498989338656 is 65683398989472.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (27498989338651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32477481 + ... + 33313431.

It is an arithmetic number, because the mean of its divisors is an integer number (820309666176).

Almost surely, 2^{27498989338656} is an apocalyptic number.

It is an amenable number.

27498989338656 is an abundant number, since it is smaller than the sum of its proper divisors (51250738614240).

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

27498989338656 is a wasteful number, since it uses less digits than its factorization.

27498989338656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867126 (or 867118 counting only the distinct ones).

The product of its digits is 33861058560, while the sum is 87.

The spelling of 27498989338656 in words is "twenty-seven trillion, four hundred ninety-eight billion, nine hundred eighty-nine million, three hundred thirty-eight thousand, six hundred fifty-six".