67968158927 has 4 divisors (see below), whose sum is σ = 69414290016. Its totient is φ = 66522027840.

The previous prime is 67968158917. The next prime is 67968158939. The reversal of 67968158927 is 72985186976.

It is a happy number.

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-67968158927 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 (67968158917) 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, 723065474 + ... + 723065567.

It is an arithmetic number, because the mean of its divisors is an integer number (17353572504).

Almost surely, 2^67968158927 is an apocalyptic number.

67968158927 is a deficient number, since it is larger than the sum of its proper divisors (1446131089).

67968158927 is a wasteful number, since it uses less digits than its factorization.

67968158927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446131088.

The product of its digits is 91445760, while the sum is 68.

The spelling of 67968158927 in words is "sixty-seven billion, nine hundred sixty-eight million, one hundred fifty-eight thousand, nine hundred twenty-seven".