86666666618894 has 8 divisors (see below), whose sum is σ = 133023255740760. Its totient is φ = 42325581371976.

The previous prime is 86666666618893. The next prime is 86666666618923. The reversal of 86666666618894 is 49881666666668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86666666618894² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (86), and also a Moran number because the ratio is a prime number: 1007751937429 = 86666666618894 / (8 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 1 + 8 + 8 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86666666618893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503875968629 + ... + 503875968800.

It is an arithmetic number, because the mean of its divisors is an integer number (16627906967595).

Almost surely, 2^{86666666618894} is an apocalyptic number.

86666666618894 is a deficient number, since it is larger than the sum of its proper divisors (46356589121866).

86666666618894 is a wasteful number, since it uses less digits than its factorization.

86666666618894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007751937474.

The product of its digits is 30958682112, while the sum is 86.

The spelling of 86666666618894 in words is "eighty-six trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred eighteen thousand, eight hundred ninety-four".