27742161382 has 24 divisors (see below), whose sum is σ = 47605473216. Its totient is φ = 12050890368.

The previous prime is 27742161379. The next prime is 27742161401. The reversal of 27742161382 is 28316124772.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1838518 + ... + 1853545.

It is an arithmetic number, because the mean of its divisors is an integer number (1983561384).

Almost surely, 2^27742161382 is an apocalyptic number.

27742161382 is a deficient number, since it is larger than the sum of its proper divisors (19863311834).

27742161382 is a wasteful number, since it uses less digits than its factorization.

27742161382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692112 (or 3692095 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The spelling of 27742161382 in words is "twenty-seven billion, seven hundred forty-two million, one hundred sixty-one thousand, three hundred eighty-two".