86710645 has 12 divisors (see below), whose sum is σ = 121041324. Its totient is φ = 59458560.

The previous prime is 86710639. The next prime is 86710649. The reversal of 86710645 is 54601768.

It can be written as a sum of positive squares in 2 ways, for example, as 27636049 + 59074596 = 5257^2 + 7686^2 .

It is a de Polignac number, because none of the positive numbers 2^k-86710645 is a prime.

It is a super-3 number, since 3×86710645³ (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 (86710649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176716 + ... + 177205.

It is an arithmetic number, because the mean of its divisors is an integer number (10086777).

Almost surely, 2^86710645 is an apocalyptic number.

It is an amenable number.

86710645 is a deficient number, since it is larger than the sum of its proper divisors (34330679).

86710645 is a wasteful number, since it uses less digits than its factorization.

86710645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353940 (or 353933 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 86710645 is about 9311.8550783397. The cubic root of 86710645 is about 442.6129729530.

The spelling of 86710645 in words is "eighty-six million, seven hundred ten thousand, six hundred forty-five".