27687811248 has 60 divisors (see below), whose sum is σ = 80159408160. Its totient is φ = 8911018368.

The previous prime is 27687811247. The next prime is 27687811279. The reversal of 27687811248 is 84211878672.

It is a super-2 number, since 2×27687811248² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27687811194 and 27687811203.

It is not an unprimeable number, because it can be changed into a prime (27687811247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3310936 + ... + 3319287.

It is an arithmetic number, because the mean of its divisors is an integer number (1335990136).

Almost surely, 2^27687811248 is an apocalyptic number.

It is an amenable number.

27687811248 is an abundant number, since it is smaller than the sum of its proper divisors (52471596912).

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

27687811248 is a wasteful number, since it uses less digits than its factorization.

27687811248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630266 (or 6630257 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 54.

The spelling of 27687811248 in words is "twenty-seven billion, six hundred eighty-seven million, eight hundred eleven thousand, two hundred forty-eight".