18875616575 has 6 divisors (see below), whose sum is σ = 23405764584. Its totient is φ = 15100493240.

The previous prime is 18875616559. The next prime is 18875616583. The reversal of 18875616575 is 57561657881.

It is not a de Polignac number, because 18875616575 - 2⁴ = 18875616559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 377512307 + ... + 377512356.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960764).

Almost surely, 2^18875616575 is an apocalyptic number.

18875616575 is a deficient number, since it is larger than the sum of its proper divisors (4530148009).

18875616575 is an equidigital number, since it uses as much as digits as its factorization.

18875616575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755024673 (or 755024668 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 59.

The spelling of 18875616575 in words is "eighteen billion, eight hundred seventy-five million, six hundred sixteen thousand, five hundred seventy-five".