75680736657 has 8 divisors (see below), whose sum is σ = 101677936800. Its totient is φ = 50068680480.

The previous prime is 75680736641. The next prime is 75680736721. The reversal of 75680736657 is 75663708657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75680736657 - 2⁴ = 75680736641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75680736657.

It is not an unprimeable number, because it can be changed into a prime (75680736457) 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, 96285532 + ... + 96286317.

It is an arithmetic number, because the mean of its divisors is an integer number (12709742100).

Almost surely, 2^75680736657 is an apocalyptic number.

It is an amenable number.

75680736657 is a deficient number, since it is larger than the sum of its proper divisors (25997200143).

75680736657 is a wasteful number, since it uses less digits than its factorization.

75680736657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192571983.

The product of its (nonzero) digits is 44452800, while the sum is 60.

The spelling of 75680736657 in words is "seventy-five billion, six hundred eighty million, seven hundred thirty-six thousand, six hundred fifty-seven".