27709848368 has 80 divisors (see below), whose sum is σ = 59040506880. Its totient is φ = 12540160512.

The previous prime is 27709848337. The next prime is 27709848389. The reversal of 27709848368 is 86384890772.

It is a self number, because there is not a number n which added to its sum of digits gives 27709848368.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7710380 + ... + 7713972.

It is an arithmetic number, because the mean of its divisors is an integer number (738006336).

Almost surely, 2^27709848368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27709848368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29520253440).

27709848368 is an abundant number, since it is smaller than the sum of its proper divisors (31330658512).

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

27709848368 is a wasteful number, since it uses less digits than its factorization.

27709848368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4740 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 27709848368 in words is "twenty-seven billion, seven hundred nine million, eight hundred forty-eight thousand, three hundred sixty-eight".