86632069 has 2 divisors, whose sum is σ = 86632070. Its totient is φ = 86632068.

The previous prime is 86632067. The next prime is 86632079. The reversal of 86632069 is 96023668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 32433025 = 7362^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 86632069 - 2¹ = 86632067 is a prime.

It is a super-2 number, since 2×86632069² = 15010230758441522, which contains 22 as substring.

Together with 86632067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86632067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43316034 + 43316035.

It is an arithmetic number, because the mean of its divisors is an integer number (43316035).

Almost surely, 2^86632069 is an apocalyptic number.

It is an amenable number.

86632069 is a deficient number, since it is larger than the sum of its proper divisors (1).

86632069 is an equidigital number, since it uses as much as digits as its factorization.

86632069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 86632069 is about 9307.6349842481. The cubic root of 86632069 is about 442.4792359414.

The spelling of 86632069 in words is "eighty-six million, six hundred thirty-two thousand, sixty-nine".