67500078427 has 8 divisors (see below), whose sum is σ = 67865246064. Its totient is φ = 67135070208.

The previous prime is 67500078413. The next prime is 67500078439. The reversal of 67500078427 is 72487000576.

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

It is a cyclic number.

It is not a de Polignac number, because 67500078427 - 2²⁷ = 67365860699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67500078727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864468 + ... + 939310.

It is an arithmetic number, because the mean of its divisors is an integer number (8483155758).

Almost surely, 2^67500078427 is an apocalyptic number.

67500078427 is a deficient number, since it is larger than the sum of its proper divisors (365167637).

67500078427 is a wasteful number, since it uses less digits than its factorization.

67500078427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79709.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 67500078427 in words is "sixty-seven billion, five hundred million, seventy-eight thousand, four hundred twenty-seven".