86167997443 has 8 divisors (see below), whose sum is σ = 94263298560. Its totient is φ = 78116337480.

The previous prime is 86167997411. The next prime is 86167997467. The reversal of 86167997443 is 34479976168.

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

It is a cyclic number.

It is not a de Polignac number, because 86167997443 - 2⁵ = 86167997411 is a prime.

It is a super-3 number, since 3×86167997443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86167997543) 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, 10906155 + ... + 10914052.

It is an arithmetic number, because the mean of its divisors is an integer number (11782912320).

Almost surely, 2^86167997443 is an apocalyptic number.

86167997443 is a deficient number, since it is larger than the sum of its proper divisors (8095301117).

86167997443 is a wasteful number, since it uses less digits than its factorization.

86167997443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21820577.

The product of its digits is 54867456, while the sum is 64.

The spelling of 86167997443 in words is "eighty-six billion, one hundred sixty-seven million, nine hundred ninety-seven thousand, four hundred forty-three".