68750964557 has 8 divisors (see below), whose sum is σ = 75066227712. Its totient is φ = 62446564000.

The previous prime is 68750964547. The next prime is 68750964571. The reversal of 68750964557 is 75546905786.

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 68750964557 - 2¹² = 68750960461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68750964557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68750964517) 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, 2702408 + ... + 2727729.

It is an arithmetic number, because the mean of its divisors is an integer number (9383278464).

Almost surely, 2^68750964557 is an apocalyptic number.

It is an amenable number.

68750964557 is a deficient number, since it is larger than the sum of its proper divisors (6315263155).

68750964557 is a wasteful number, since it uses less digits than its factorization.

68750964557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431299.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 68750964557 in words is "sixty-eight billion, seven hundred fifty million, nine hundred sixty-four thousand, five hundred fifty-seven".