75944856817 has 8 divisors (see below), whose sum is σ = 77285371680. Its totient is φ = 74606119200.

The previous prime is 75944856811. The next prime is 75944856839. The reversal of 75944856817 is 71865844957.

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 75944856817 - 2³ = 75944856809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75944856811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357948 + ... + 529165.

It is an arithmetic number, because the mean of its divisors is an integer number (9660671460).

Almost surely, 2^75944856817 is an apocalyptic number.

It is an amenable number.

75944856817 is a deficient number, since it is larger than the sum of its proper divisors (1340514863).

75944856817 is a wasteful number, since it uses less digits than its factorization.

75944856817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888623.

The product of its digits is 67737600, while the sum is 64.

The spelling of 75944856817 in words is "seventy-five billion, nine hundred forty-four million, eight hundred fifty-six thousand, eight hundred seventeen".