86791443 has 24 divisors (see below), whose sum is σ = 128127888. Its totient is φ = 52073472.

The previous prime is 86791433. The next prime is 86791451. The reversal of 86791443 is 34419768.

It is not a de Polignac number, because 86791443 - 2⁴ = 86791427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86791395 and 86791404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86791423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25371 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (5338662).

Almost surely, 2^86791443 is an apocalyptic number.

86791443 is a deficient number, since it is larger than the sum of its proper divisors (41336445).

86791443 is a wasteful number, since it uses less digits than its factorization.

86791443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283 (or 3260 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 86791443 is about 9316.1925162590. The cubic root of 86791443 is about 442.7504076007.

The spelling of 86791443 in words is "eighty-six million, seven hundred ninety-one thousand, four hundred forty-three".