86873532436 has 12 divisors (see below), whose sum is σ = 152032702612. Its totient is φ = 43435617408.

The previous prime is 86873532407. The next prime is 86873532437. The reversal of 86873532436 is 63423537868.

It can be written as a sum of positive squares in 2 ways, for example, as 63554410000 + 23319122436 = 252100^2 + 152706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86873532437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104085 + ... + 429628.

Almost surely, 2^86873532436 is an apocalyptic number.

It is an amenable number.

86873532436 is a deficient number, since it is larger than the sum of its proper divisors (65159170176).

86873532436 is a wasteful number, since it uses less digits than its factorization.

86873532436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574410 (or 574408 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 86873532436 in words is "eighty-six billion, eight hundred seventy-three million, five hundred thirty-two thousand, four hundred thirty-six".