68235124457 has 8 divisors (see below), whose sum is σ = 70461123840. Its totient is φ = 66010679280.

The previous prime is 68235124453. The next prime is 68235124493. The reversal of 68235124457 is 75442153286.

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 68235124457 - 2² = 68235124453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68235124453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298982 + ... + 475247.

It is an arithmetic number, because the mean of its divisors is an integer number (8807640480).

Almost surely, 2^68235124457 is an apocalyptic number.

It is an amenable number.

68235124457 is a deficient number, since it is larger than the sum of its proper divisors (2225999383).

68235124457 is a wasteful number, since it uses less digits than its factorization.

68235124457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777103.

The product of its digits is 1612800, while the sum is 47.

The spelling of 68235124457 in words is "sixty-eight billion, two hundred thirty-five million, one hundred twenty-four thousand, four hundred fifty-seven".