86133974866 has 8 divisors (see below), whose sum is σ = 129205370700. Its totient is φ = 43065517968.

The previous prime is 86133974863. The next prime is 86133974869. The reversal of 86133974866 is 66847933168.

It is an interprime number because it is at equal distance from previous prime (86133974863) and next prime (86133974869).

It can be written as a sum of positive squares in 2 ways, for example, as 85627049641 + 506925225 = 292621^2 + 22515^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86133974863) 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, 659941 + ... + 779608.

Almost surely, 2^86133974866 is an apocalyptic number.

86133974866 is a deficient number, since it is larger than the sum of its proper divisors (43071395834).

86133974866 is a wasteful number, since it uses less digits than its factorization.

86133974866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469468.

The product of its digits is 31352832, while the sum is 61.

The spelling of 86133974866 in words is "eighty-six billion, one hundred thirty-three million, nine hundred seventy-four thousand, eight hundred sixty-six".