86520873 has 8 divisors (see below), whose sum is σ = 116136000. Its totient is φ = 57293168.

The previous prime is 86520839. The next prime is 86520877. The reversal of 86520873 is 37802568.

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 86520873 - 2⁶ = 86520809 is a prime.

It is a super-2 number, since 2×86520873² = 14971722929364258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86520877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96333 + ... + 97226.

It is an arithmetic number, because the mean of its divisors is an integer number (14517000).

Almost surely, 2^86520873 is an apocalyptic number.

It is an amenable number.

86520873 is a deficient number, since it is larger than the sum of its proper divisors (29615127).

86520873 is a wasteful number, since it uses less digits than its factorization.

86520873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193711.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 86520873 is about 9301.6596906144. The cubic root of 86520873 is about 442.2898411532.

The spelling of 86520873 in words is "eighty-six million, five hundred twenty thousand, eight hundred seventy-three".