86342517 has 24 divisors (see below), whose sum is σ = 136150560. Its totient is φ = 54529200.

The previous prime is 86342467. The next prime is 86342521. The reversal of 86342517 is 71524368.

86342517 is a `hidden beast` number, since 8 + 634 + 2 + 5 + 17 = 666.

It is not a de Polignac number, because 86342517 - 2¹¹ = 86340469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86342527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4734 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (5672940).

Almost surely, 2^86342517 is an apocalyptic number.

It is an amenable number.

86342517 is a deficient number, since it is larger than the sum of its proper divisors (49808043).

86342517 is a wasteful number, since it uses less digits than its factorization.

86342517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18735 (or 18723 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 86342517 is about 9292.0674233456. The cubic root of 86342517 is about 441.9857167979.

The spelling of 86342517 in words is "eighty-six million, three hundred forty-two thousand, five hundred seventeen".