27097777488 has 40 divisors (see below), whose sum is σ = 70102539936. Its totient is φ = 9019696000.

The previous prime is 27097777471. The next prime is 27097777489. The reversal of 27097777488 is 88477779072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27097777489) 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, 369018 + ... + 436313.

Almost surely, 2^27097777488 is an apocalyptic number.

It is an amenable number.

27097777488 is an abundant number, since it is smaller than the sum of its proper divisors (43004762448).

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

27097777488 is a wasteful number, since it uses less digits than its factorization.

27097777488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806043 (or 806037 counting only the distinct ones).

The product of its (nonzero) digits is 77446656, while the sum is 66.

The spelling of 27097777488 in words is "twenty-seven billion, ninety-seven million, seven hundred seventy-seven thousand, four hundred eighty-eight".