18876325007 has 8 divisors (see below), whose sum is σ = 19066037472. Its totient is φ = 18686668000.

The previous prime is 18876325001. The next prime is 18876325021. The reversal of 18876325007 is 70052367881.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18876325007 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 (18876325001) 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 7 ways as a sum of consecutive naturals, for example, 1187033 + ... + 1202829.

It is an arithmetic number, because the mean of its divisors is an integer number (2383254684).

Almost surely, 2^18876325007 is an apocalyptic number.

18876325007 is a deficient number, since it is larger than the sum of its proper divisors (189712465).

18876325007 is a wasteful number, since it uses less digits than its factorization.

18876325007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27729.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 18876325007 in words is "eighteen billion, eight hundred seventy-six million, three hundred twenty-five thousand, seven".