875259987987 has 32 divisors (see below), whose sum is σ = 1494301377024. Its totient is φ = 442391846400.

The previous prime is 875259987971. The next prime is 875259987989. The reversal of 875259987987 is 789789952578.

It is not a de Polignac number, because 875259987987 - 2⁴ = 875259987971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (875259987989) 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 31 ways as a sum of consecutive naturals, for example, 51194214 + ... + 51211307.

It is an arithmetic number, because the mean of its divisors is an integer number (46696918032).

Almost surely, 2^875259987987 is an apocalyptic number.

875259987987 is a deficient number, since it is larger than the sum of its proper divisors (619041389037).

875259987987 is a wasteful number, since it uses less digits than its factorization.

875259987987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102405579.

The product of its digits is 6401203200, while the sum is 84.

The spelling of 875259987987 in words is "eight hundred seventy-five billion, two hundred fifty-nine million, nine hundred eighty-seven thousand, nine hundred eighty-seven".