18883380479 has 8 divisors (see below), whose sum is σ = 20683622160. Its totient is φ = 17159744896.

The previous prime is 18883380427. The next prime is 18883380487. The reversal of 18883380479 is 97408338881.

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

It is a cyclic number.

It is not a de Polignac number, because 18883380479 - 2¹⁶ = 18883314943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18883380419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19151009 + ... + 19151994.

It is an arithmetic number, because the mean of its divisors is an integer number (2585452770).

Almost surely, 2^18883380479 is an apocalyptic number.

18883380479 is a deficient number, since it is larger than the sum of its proper divisors (1800241681).

18883380479 is a wasteful number, since it uses less digits than its factorization.

18883380479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38303049.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 18883380479 in words is "eighteen billion, eight hundred eighty-three million, three hundred eighty thousand, four hundred seventy-nine".