86823533872 has 20 divisors (see below), whose sum is σ = 169792755336. Its totient is φ = 43006048640.

The previous prime is 86823533861. The next prime is 86823533879. The reversal of 86823533872 is 27833532868.

It is not an unprimeable number, because it can be changed into a prime (86823533879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25355629 + ... + 25359052.

Almost surely, 2^86823533872 is an apocalyptic number.

It is an amenable number.

86823533872 is a deficient number, since it is larger than the sum of its proper divisors (82969221464).

86823533872 is a wasteful number, since it uses less digits than its factorization.

86823533872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50714796 (or 50714790 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 55.

The spelling of 86823533872 in words is "eighty-six billion, eight hundred twenty-three million, five hundred thirty-three thousand, eight hundred seventy-two".