86947868583 has 16 divisors (see below), whose sum is σ = 129465531360. Its totient is φ = 57671002368.

The previous prime is 86947868569. The next prime is 86947868593. The reversal of 86947868583 is 38586874968.

It is not a de Polignac number, because 86947868583 - 2⁶ = 86947868519 is a prime.

It is a super-3 number, since 3×86947868583³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86947868593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8168010 + ... + 8178647.

It is an arithmetic number, because the mean of its divisors is an integer number (8091595710).

Almost surely, 2^86947868583 is an apocalyptic number.

86947868583 is a deficient number, since it is larger than the sum of its proper divisors (42517662777).

86947868583 is a wasteful number, since it uses less digits than its factorization.

86947868583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16346863 (or 16346857 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 86947868583 in words is "eighty-six billion, nine hundred forty-seven million, eight hundred sixty-eight thousand, five hundred eighty-three".