86029961 has 2 divisors, whose sum is σ = 86029962. Its totient is φ = 86029960.

The previous prime is 86029949. The next prime is 86029963. The reversal of 86029961 is 16992068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85914361 + 115600 = 9269^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 86029961 - 2⁶ = 86029897 is a prime.

Together with 86029963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86029963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43014980 + 43014981.

It is an arithmetic number, because the mean of its divisors is an integer number (43014981).

Almost surely, 2^86029961 is an apocalyptic number.

It is an amenable number.

86029961 is a deficient number, since it is larger than the sum of its proper divisors (1).

86029961 is an equidigital number, since it uses as much as digits as its factorization.

86029961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 86029961 is about 9275.2337436854. The cubic root of 86029961 is about 441.4517492085.

The spelling of 86029961 in words is "eighty-six million, twenty-nine thousand, nine hundred sixty-one".