27731842348 has 144 divisors (see below), whose sum is σ = 62089251840. Its totient is φ = 10593690624.

The previous prime is 27731842339. The next prime is 27731842351. The reversal of 27731842348 is 84324813772.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20285961 + ... + 20287327.

It is an arithmetic number, because the mean of its divisors is an integer number (431175360).

Almost surely, 2^27731842348 is an apocalyptic number.

27731842348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27731842348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31044625920).

27731842348 is an abundant number, since it is smaller than the sum of its proper divisors (34357409492).

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

27731842348 is a wasteful number, since it uses less digits than its factorization.

27731842348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1525 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

The spelling of 27731842348 in words is "twenty-seven billion, seven hundred thirty-one million, eight hundred forty-two thousand, three hundred forty-eight".