18775307468 has 12 divisors (see below), whose sum is σ = 34285344240. Its totient is φ = 8979494832.

The previous prime is 18775307461. The next prime is 18775307471. The reversal of 18775307468 is 86470357781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18775307461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102039623 + ... + 102039806.

It is an arithmetic number, because the mean of its divisors is an integer number (2857112020).

Almost surely, 2^18775307468 is an apocalyptic number.

It is an amenable number.

18775307468 is a deficient number, since it is larger than the sum of its proper divisors (15510036772).

18775307468 is a wasteful number, since it uses less digits than its factorization.

18775307468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204079456 (or 204079454 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 18775307468 in words is "eighteen billion, seven hundred seventy-five million, three hundred seven thousand, four hundred sixty-eight".