86769321 has 16 divisors (see below), whose sum is σ = 118831104. Its totient is φ = 56294784.

The previous prime is 86769289. The next prime is 86769337. The reversal of 86769321 is 12396768.

It is a happy number.

It is not a de Polignac number, because 86769321 - 2⁵ = 86769289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86769391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18045 + ... + 22341.

It is an arithmetic number, because the mean of its divisors is an integer number (7426944).

Almost surely, 2^86769321 is an apocalyptic number.

It is an amenable number.

86769321 is a deficient number, since it is larger than the sum of its proper divisors (32061783).

86769321 is a wasteful number, since it uses less digits than its factorization.

86769321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its digits is 108864, while the sum is 42.

The square root of 86769321 is about 9315.0051529776. The cubic root of 86769321 is about 442.7127873144.

The spelling of 86769321 in words is "eighty-six million, seven hundred sixty-nine thousand, three hundred twenty-one".