68151477317 has 8 divisors (see below), whose sum is σ = 84968075712. Its totient is φ = 53105047200.

The previous prime is 68151477241. The next prime is 68151477323. The reversal of 68151477317 is 71377415186.

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 68151477317 - 2⁸ = 68151477061 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 (68151477367) 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 7 ways as a sum of consecutive naturals, for example, 442541984 + ... + 442542137.

It is an arithmetic number, because the mean of its divisors is an integer number (10621009464).

Almost surely, 2^68151477317 is an apocalyptic number.

It is an amenable number.

68151477317 is a deficient number, since it is larger than the sum of its proper divisors (16816598395).

68151477317 is a wasteful number, since it uses less digits than its factorization.

68151477317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885084139.

The product of its digits is 987840, while the sum is 50.

The spelling of 68151477317 in words is "sixty-eight billion, one hundred fifty-one million, four hundred seventy-seven thousand, three hundred seventeen".