75859086989 has 4 divisors (see below), whose sum is σ = 86696099424. Its totient is φ = 65022074556.

The previous prime is 75859086967. The next prime is 75859087001. The reversal of 75859086989 is 98968095857.

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 75859086989 - 2¹⁶ = 75859021453 is a prime.

It is a super-2 number, since 2×75859086989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75859082989) 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 3 ways as a sum of consecutive naturals, for example, 5418506207 + ... + 5418506220.

It is an arithmetic number, because the mean of its divisors is an integer number (21674024856).

Almost surely, 2^75859086989 is an apocalyptic number.

It is an amenable number.

75859086989 is a deficient number, since it is larger than the sum of its proper divisors (10837012435).

75859086989 is a wasteful number, since it uses less digits than its factorization.

75859086989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837012434.

The product of its (nonzero) digits is 391910400, while the sum is 74.

The spelling of 75859086989 in words is "seventy-five billion, eight hundred fifty-nine million, eighty-six thousand, nine hundred eighty-nine".