86576481 has 6 divisors (see below), whose sum is σ = 125054930. Its totient is φ = 57717648.

The previous prime is 86576471. The next prime is 86576527. The reversal of 86576481 is 18467568.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67914081 + 18662400 = 8241^2 + 4320^2 .

It is not a de Polignac number, because 86576481 - 2⁵ = 86576449 is a prime.

It is a super-2 number, since 2×86576481² = 14990974124686722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86576431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4809796 + ... + 4809813.

Almost surely, 2^86576481 is an apocalyptic number.

It is an amenable number.

86576481 is a deficient number, since it is larger than the sum of its proper divisors (38478449).

86576481 is a wasteful number, since it uses less digits than its factorization.

86576481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619615 (or 9619612 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 86576481 is about 9304.6483544517. The cubic root of 86576481 is about 442.3845758509.

The spelling of 86576481 in words is "eighty-six million, five hundred seventy-six thousand, four hundred eighty-one".