86955881836 has 24 divisors (see below), whose sum is σ = 157453536240. Its totient is φ = 41969793600.

The previous prime is 86955881833. The next prime is 86955881839. The reversal of 86955881836 is 63818855968.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86955881833) and next prime (86955881839).

It is a super-3 number, since 3×86955881836³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (86955881833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486771 + ... + 640981.

It is an arithmetic number, because the mean of its divisors is an integer number (6560564010).

Almost surely, 2^86955881836 is an apocalyptic number.

It is an amenable number.

86955881836 is a deficient number, since it is larger than the sum of its proper divisors (70497654404).

86955881836 is a wasteful number, since it uses less digits than its factorization.

86955881836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159105 (or 159103 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 67.

The spelling of 86955881836 in words is "eighty-six billion, nine hundred fifty-five million, eight hundred eighty-one thousand, eight hundred thirty-six".