87858126113585 has 32 divisors (see below), whose sum is σ = 117507857846400. Its totient is φ = 62669775651840.

The previous prime is 87858126113581. The next prime is 87858126113603. The reversal of 87858126113585 is 58531162185878.

It is not a de Polignac number, because 87858126113585 - 2² = 87858126113581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87858126113581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335693906 + ... + 335955524.

It is an arithmetic number, because the mean of its divisors is an integer number (3672120557700).

Almost surely, 2^{87858126113585} is an apocalyptic number.

87858126113585 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

87858126113585 is a deficient number, since it is larger than the sum of its proper divisors (29649731732815).

87858126113585 is a wasteful number, since it uses less digits than its factorization.

87858126113585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469601.

The product of its digits is 129024000, while the sum is 68.

The spelling of 87858126113585 in words is "eighty-seven trillion, eight hundred fifty-eight billion, one hundred twenty-six million, one hundred thirteen thousand, five hundred eighty-five".