86133421 has 8 divisors (see below), whose sum is σ = 94089600. Its totient is φ = 78198240.

The previous prime is 86133419. The next prime is 86133431. The reversal of 86133421 is 12433168.

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 86133421 - 2¹ = 86133419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86133421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86133401) 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, 4060 + ... + 13738.

It is an arithmetic number, because the mean of its divisors is an integer number (11761200).

Almost surely, 2^86133421 is an apocalyptic number.

It is an amenable number.

86133421 is a deficient number, since it is larger than the sum of its proper divisors (7956179).

86133421 is a wasteful number, since it uses less digits than its factorization.

86133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499.

The product of its digits is 3456, while the sum is 28.

The square root of 86133421 is about 9280.8092858328. The cubic root of 86133421 is about 441.6286422389.

Adding to 86133421 its reverse (12433168), we get a palindrome (98566589).

The spelling of 86133421 in words is "eighty-six million, one hundred thirty-three thousand, four hundred twenty-one".