86525365998 has 32 divisors (see below), whose sum is σ = 176794016256. Its totient is φ = 28218334208.

The previous prime is 86525365967. The next prime is 86525366023. The reversal of 86525365998 is 89956352568.

It is a super-2 number, since 2×86525365998² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783790 + ... + 887342.

It is an arithmetic number, because the mean of its divisors is an integer number (5524813008).

Almost surely, 2^86525365998 is an apocalyptic number.

86525365998 is an abundant number, since it is smaller than the sum of its proper divisors (90268650258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86525365998 is a wasteful number, since it uses less digits than its factorization.

86525365998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106568.

The product of its digits is 139968000, while the sum is 66.

The spelling of 86525365998 in words is "eighty-six billion, five hundred twenty-five million, three hundred sixty-five thousand, nine hundred ninety-eight".