18083848423478 has 16 divisors (see below), whose sum is σ = 27865489693680. Its totient is φ = 8795467439136.

The previous prime is 18083848423241. The next prime is 18083848423483. The reversal of 18083848423478 is 87432484838081.

It is a happy number.

It is a super-3 number, since 3×18083848423478³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28579976 + ... + 29205867.

It is an arithmetic number, because the mean of its divisors is an integer number (1741593105855).

Almost surely, 2^{18083848423478} is an apocalyptic number.

18083848423478 is a deficient number, since it is larger than the sum of its proper divisors (9781641270202).

18083848423478 is a wasteful number, since it uses less digits than its factorization.

18083848423478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57790111.

The product of its (nonzero) digits is 264241152, while the sum is 68.

The spelling of 18083848423478 in words is "eighteen trillion, eighty-three billion, eight hundred forty-eight million, four hundred twenty-three thousand, four hundred seventy-eight".