67352675987 has 4 divisors (see below), whose sum is σ = 67355999760. Its totient is φ = 67349352216.

The previous prime is 67352675947. The next prime is 67352676073. The reversal of 67352675987 is 78957625376.

67352675987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67352675987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67352675947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631303 + ... + 1672080.

It is an arithmetic number, because the mean of its divisors is an integer number (16838999940).

Almost surely, 2^67352675987 is an apocalyptic number.

67352675987 is a deficient number, since it is larger than the sum of its proper divisors (3323773).

67352675987 is a wasteful number, since it uses less digits than its factorization.

67352675987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323772.

The product of its digits is 133358400, while the sum is 65.

The spelling of 67352675987 in words is "sixty-seven billion, three hundred fifty-two million, six hundred seventy-five thousand, nine hundred eighty-seven".