86232651029221 has 4 divisors (see below), whose sum is σ = 86504678319852. Its totient is φ = 85960623738592.

The previous prime is 86232651029197. The next prime is 86232651029243. The reversal of 86232651029221 is 12292015623268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37173287060100 + 49059363969121 = 6096990^2 + 7004239^2 .

It is a cyclic number.

It is not a de Polignac number, because 86232651029221 - 2⁷ = 86232651029093 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86232651023221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136013644840 + ... + 136013645473.

It is an arithmetic number, because the mean of its divisors is an integer number (21626169579963).

Almost surely, 2^{86232651029221} is an apocalyptic number.

It is an amenable number.

86232651029221 is a deficient number, since it is larger than the sum of its proper divisors (272027290631).

86232651029221 is a wasteful number, since it uses less digits than its factorization.

86232651029221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272027290630.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 86232651029221 in words is "eighty-six trillion, two hundred thirty-two billion, six hundred fifty-one million, twenty-nine thousand, two hundred twenty-one".