86673213312 has 128 divisors (see below), whose sum is σ = 268485216000. Its totient is φ = 24763737600.

The previous prime is 86673213307. The next prime is 86673213329. The reversal of 86673213312 is 21331237668.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×86673213312³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197314 + ... + 460737.

It is an arithmetic number, because the mean of its divisors is an integer number (2097540750).

Almost surely, 2^86673213312 is an apocalyptic number.

It is an amenable number.

86673213312 is an abundant number, since it is smaller than the sum of its proper divisors (181812002688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86673213312 is an equidigital number, since it uses as much as digits as its factorization.

86673213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658089 (or 658063 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The spelling of 86673213312 in words is "eighty-six billion, six hundred seventy-three million, two hundred thirteen thousand, three hundred twelve".