86575664671268 has 24 divisors (see below), whose sum is σ = 155225565380760. Its totient is φ = 42225814010880.

The previous prime is 86575664671267. The next prime is 86575664671271. The reversal of 86575664671268 is 86217646657568.

It can be written as a sum of positive squares in 4 ways, for example, as 356120110564 + 86219544560704 = 596758^2 + 9285448^2 .

It is not an unprimeable number, because it can be changed into a prime (86575664671267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37742153 + ... + 39970256.

It is an arithmetic number, because the mean of its divisors is an integer number (6467731890865).

Almost surely, 2^{86575664671268} is an apocalyptic number.

It is an amenable number.

86575664671268 is a deficient number, since it is larger than the sum of its proper divisors (68649900709492).

86575664671268 is a wasteful number, since it uses less digits than its factorization.

86575664671268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77719247 (or 77719245 counting only the distinct ones).

The product of its digits is 4877107200, while the sum is 77.

The spelling of 86575664671268 in words is "eighty-six trillion, five hundred seventy-five billion, six hundred sixty-four million, six hundred seventy-one thousand, two hundred sixty-eight".