27538012788 has 48 divisors (see below), whose sum is σ = 75488822976. Its totient is φ = 7702940160.

The previous prime is 27538012787. The next prime is 27538012823. The reversal of 27538012788 is 88721083572.

It is a super-3 number, since 3×27538012788³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27538012788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27538012781) 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, 8022181 + ... + 8025612.

It is an arithmetic number, because the mean of its divisors is an integer number (1572683812).

Almost surely, 2^27538012788 is an apocalyptic number.

It is an amenable number.

27538012788 is an abundant number, since it is smaller than the sum of its proper divisors (47950810188).

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

27538012788 is a wasteful number, since it uses less digits than its factorization.

27538012788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16047824 (or 16047822 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 27538012788 in words is "twenty-seven billion, five hundred thirty-eight million, twelve thousand, seven hundred eighty-eight".