86666710288 has 10 divisors (see below), whose sum is σ = 167916751214. Its totient is φ = 43333355136.

The previous prime is 86666710283. The next prime is 86666710303. The reversal of 86666710288 is 88201766668.

It can be written as a sum of positive squares in only one way, i.e., 56051509504 + 30615200784 = 236752^2 + 174972^2 .

It is a super-2 number, since 2×86666710288² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86666710283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2708334681 + ... + 2708334712.

Almost surely, 2^86666710288 is an apocalyptic number.

It is an amenable number.

86666710288 is a deficient number, since it is larger than the sum of its proper divisors (81250040926).

86666710288 is a wasteful number, since it uses less digits than its factorization.

86666710288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416669401 (or 5416669395 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 86666710288 in words is "eighty-six billion, six hundred sixty-six million, seven hundred ten thousand, two hundred eighty-eight".