86675633538 has 32 divisors (see below), whose sum is σ = 194802765696. Its totient is φ = 25509884928.

The previous prime is 86675633507. The next prime is 86675633593. The reversal of 86675633538 is 83533657668.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24155295 + ... + 24158882.

It is an arithmetic number, because the mean of its divisors is an integer number (6087586428).

Almost surely, 2^86675633538 is an apocalyptic number.

86675633538 is an abundant number, since it is smaller than the sum of its proper divisors (108127132158).

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

86675633538 is a wasteful number, since it uses less digits than its factorization.

86675633538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48314218.

The product of its digits is 65318400, while the sum is 60.

The spelling of 86675633538 in words is "eighty-six billion, six hundred seventy-five million, six hundred thirty-three thousand, five hundred thirty-eight".