18742027758 has 8 divisors (see below), whose sum is σ = 37484055528. Its totient is φ = 6247342584.

The previous prime is 18742027753. The next prime is 18742027783. The reversal of 18742027758 is 85772024781.

It is a sphenic number, since it is the product of 3 distinct primes.

18742027758 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 18742027758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18742027753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561835641 + ... + 1561835652.

It is an arithmetic number, because the mean of its divisors is an integer number (4685506941).

Almost surely, 2^18742027758 is an apocalyptic number.

18742027758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18742027758 is a wasteful number, since it uses less digits than its factorization.

18742027758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123671298.

The product of its (nonzero) digits is 1756160, while the sum is 51.

The spelling of 18742027758 in words is "eighteen billion, seven hundred forty-two million, twenty-seven thousand, seven hundred fifty-eight".