86763531 has 8 divisors (see below), whose sum is σ = 115789824. Its totient is φ = 57789800.

The previous prime is 86763497. The next prime is 86763553. The reversal of 86763531 is 13536768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86763531 is a prime.

It is a super-2 number, since 2×86763531² = 15055820623175922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86763531.

It is not an unprimeable number, because it can be changed into a prime (86763031) 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 7 ways as a sum of consecutive naturals, for example, 9111 + ... + 16016.

It is an arithmetic number, because the mean of its divisors is an integer number (14473728).

Almost surely, 2^86763531 is an apocalyptic number.

86763531 is a deficient number, since it is larger than the sum of its proper divisors (29026293).

86763531 is a wasteful number, since it uses less digits than its factorization.

86763531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26281.

The product of its digits is 90720, while the sum is 39.

The square root of 86763531 is about 9314.6943589148. The cubic root of 86763531 is about 442.7029398859.

The spelling of 86763531 in words is "eighty-six million, seven hundred sixty-three thousand, five hundred thirty-one".