86863544 has 16 divisors (see below), whose sum is σ = 163397520. Its totient is φ = 43290880.

The previous prime is 86863487. The next prime is 86863559. The reversal of 86863544 is 44536868.

It is a junction number, because it is equal to n+sod(n) for n = 86863495 and 86863504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14969 + ... + 19944.

It is an arithmetic number, because the mean of its divisors is an integer number (10212345).

Almost surely, 2^86863544 is an apocalyptic number.

It is an amenable number.

86863544 is a deficient number, since it is larger than the sum of its proper divisors (76533976).

86863544 is a wasteful number, since it uses less digits than its factorization.

86863544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35230 (or 35226 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 86863544 is about 9320.0613731885. The cubic root of 86863544 is about 442.8729769474.

The spelling of 86863544 in words is "eighty-six million, eight hundred sixty-three thousand, five hundred forty-four".