75189866898157 has 4 divisors (see below), whose sum is σ = 82025309343456. Its totient is φ = 68354424452860.

The previous prime is 75189866898121. The next prime is 75189866898169.

75189866898157 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 a de Polignac number, because none of the positive numbers 2^k-75189866898157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75189866898257) 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, 3417721222633 + ... + 3417721222654.

It is an arithmetic number, because the mean of its divisors is an integer number (20506327335864).

Almost surely, 2^{75189866898157} is an apocalyptic number.

It is an amenable number.

75189866898157 is a deficient number, since it is larger than the sum of its proper divisors (6835442445299).

75189866898157 is a wasteful number, since it uses less digits than its factorization.

75189866898157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835442445298.

The product of its digits is 14631321600, while the sum is 88.

The spelling of 75189866898157 in words is "seventy-five trillion, one hundred eighty-nine billion, eight hundred sixty-six million, eight hundred ninety-eight thousand, one hundred fifty-seven".