86523671 has 4 divisors (see below), whose sum is σ = 93179352. Its totient is φ = 79867992.

The previous prime is 86523623. The next prime is 86523673. The reversal of 86523671 is 17632568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86523671 - 2⁶ = 86523607 is a prime.

It is a super-3 number, since 3×86523671³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86523673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3327821 + ... + 3327846.

It is an arithmetic number, because the mean of its divisors is an integer number (23294838).

Almost surely, 2^86523671 is an apocalyptic number.

86523671 is a deficient number, since it is larger than the sum of its proper divisors (6655681).

86523671 is a wasteful number, since it uses less digits than its factorization.

86523671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655680.

The product of its digits is 60480, while the sum is 38.

The square root of 86523671 is about 9301.8100926648. The cubic root of 86523671 is about 442.2946088414.

The spelling of 86523671 in words is "eighty-six million, five hundred twenty-three thousand, six hundred seventy-one".