18407855679083 has 16 divisors (see below), whose sum is σ = 20000686853280. Its totient is φ = 16840308893184.

The previous prime is 18407855679067. The next prime is 18407855679121. The reversal of 18407855679083 is 38097655870481.

It is a cyclic number.

It is not a de Polignac number, because 18407855679083 - 2⁴ = 18407855679067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18407855678998 and 18407855679016.

It is not an unprimeable number, because it can be changed into a prime (18407855679043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20746985 + ... + 21616037.

It is an arithmetic number, because the mean of its divisors is an integer number (1250042928330).

Almost surely, 2^{18407855679083} is an apocalyptic number.

18407855679083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18407855679083 is a deficient number, since it is larger than the sum of its proper divisors (1592831174197).

18407855679083 is a wasteful number, since it uses less digits than its factorization.

18407855679083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883598.

The product of its (nonzero) digits is 406425600, while the sum is 71.

The spelling of 18407855679083 in words is "eighteen trillion, four hundred seven billion, eight hundred fifty-five million, six hundred seventy-nine thousand, eighty-three".