18870233007 has 8 divisors (see below), whose sum is σ = 25226698240. Its totient is φ = 12546961560.

The previous prime is 18870233003. The next prime is 18870233009. The reversal of 18870233007 is 70033207881.

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

It is not a de Polignac number, because 18870233007 - 2² = 18870233003 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 (18870233003) 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, 8297119 + ... + 8299392.

It is an arithmetic number, because the mean of its divisors is an integer number (3153337280).

Almost surely, 2^18870233007 is an apocalyptic number.

18870233007 is a deficient number, since it is larger than the sum of its proper divisors (6356465233).

18870233007 is a wasteful number, since it uses less digits than its factorization.

18870233007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596893.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 18870233007 in words is "eighteen billion, eight hundred seventy million, two hundred thirty-three thousand, seven".