86876581 has 8 divisors (see below), whose sum is σ = 97086528. Its totient is φ = 77052000.

The previous prime is 86876567. The next prime is 86876591. The reversal of 86876581 is 18567868.

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

It is a cyclic number.

It is not a de Polignac number, because 86876581 - 2⁷ = 86876453 is a prime.

It is a super-2 number, since 2×86876581² = 15095080652499122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86876591) 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, 95865 + ... + 96766.

It is an arithmetic number, because the mean of its divisors is an integer number (12135816).

Almost surely, 2^86876581 is an apocalyptic number.

It is an amenable number.

86876581 is a deficient number, since it is larger than the sum of its proper divisors (10209947).

86876581 is a wasteful number, since it uses less digits than its factorization.

86876581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192683.

The product of its digits is 645120, while the sum is 49.

The square root of 86876581 is about 9320.7607522133. The cubic root of 86876581 is about 442.8951321804.

The spelling of 86876581 in words is "eighty-six million, eight hundred seventy-six thousand, five hundred eighty-one".