75706856755667 has 4 divisors (see below), whose sum is σ = 79691428163880. Its totient is φ = 71722285347456.

The previous prime is 75706856755657. The next prime is 75706856755741. The reversal of 75706856755667 is 76655765860757.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75706856755667 is a prime.

It is a super-2 number, since 2×75706856755667² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75706856755591 and 75706856755600.

It is not an unprimeable number, because it can be changed into a prime (75706856755657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992285704078 + ... + 1992285704115.

It is an arithmetic number, because the mean of its divisors is an integer number (19922857040970).

Almost surely, 2^{75706856755667} is an apocalyptic number.

75706856755667 is a deficient number, since it is larger than the sum of its proper divisors (3984571408213).

75706856755667 is a wasteful number, since it uses less digits than its factorization.

75706856755667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984571408212.

The product of its (nonzero) digits is 15558480000, while the sum is 80.

The spelling of 75706856755667 in words is "seventy-five trillion, seven hundred six billion, eight hundred fifty-six million, seven hundred fifty-five thousand, six hundred sixty-seven".