75856256655 has 16 divisors (see below), whose sum is σ = 121643994240. Its totient is φ = 40365342368.

The previous prime is 75856256627. The next prime is 75856256657. The reversal of 75856256655 is 55665265857.

It is a cyclic number.

It is not a de Polignac number, because 75856256655 - 2¹⁵ = 75856223887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75856256657) 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 15 ways as a sum of consecutive naturals, for example, 5701125 + ... + 5714414.

It is an arithmetic number, because the mean of its divisors is an integer number (7602749640).

Almost surely, 2^75856256655 is an apocalyptic number.

75856256655 is a deficient number, since it is larger than the sum of its proper divisors (45787737585).

75856256655 is a wasteful number, since it uses less digits than its factorization.

75856256655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415990.

The product of its digits is 75600000, while the sum is 60.

The spelling of 75856256655 in words is "seventy-five billion, eight hundred fifty-six million, two hundred fifty-six thousand, six hundred fifty-five".