75885655658857 has 4 divisors (see below), whose sum is σ = 82784351627856. Its totient is φ = 68986959689860.

The previous prime is 75885655658837. The next prime is 75885655658867.

75885655658857 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75885655658857 - 2¹¹ = 75885655656809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75885655658837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449347984483 + ... + 3449347984504.

It is an arithmetic number, because the mean of its divisors is an integer number (20696087906964).

Almost surely, 2^{75885655658857} is an apocalyptic number.

It is an amenable number.

75885655658857 is a deficient number, since it is larger than the sum of its proper divisors (6898695968999).

75885655658857 is a wasteful number, since it uses less digits than its factorization.

75885655658857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898695968998.

The product of its digits is 112896000000, while the sum is 88.

The spelling of 75885655658857 in words is "seventy-five trillion, eight hundred eighty-five billion, six hundred fifty-five million, six hundred fifty-eight thousand, eight hundred fifty-seven".