86751717 has 32 divisors (see below), whose sum is σ = 129722880. Its totient is φ = 51217920.

The previous prime is 86751713. The next prime is 86751727. The reversal of 86751717 is 71715768.

It is not a de Polignac number, because 86751717 - 2² = 86751713 is a prime.

It is a super-4 number, since 4×86751717⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86751713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113617 + ... + 114377.

It is an arithmetic number, because the mean of its divisors is an integer number (4053840).

Almost surely, 2^86751717 is an apocalyptic number.

It is an amenable number.

86751717 is a deficient number, since it is larger than the sum of its proper divisors (42971163).

86751717 is a wasteful number, since it uses less digits than its factorization.

86751717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its digits is 82320, while the sum is 42.

The square root of 86751717 is about 9314.0601780319. The cubic root of 86751717 is about 442.6828456909.

The spelling of 86751717 in words is "eighty-six million, seven hundred fifty-one thousand, seven hundred seventeen".