86646290953 has 2 divisors, whose sum is σ = 86646290954. Its totient is φ = 86646290952.

The previous prime is 86646290923. The next prime is 86646290963. The reversal of 86646290953 is 35909264668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86616610249 + 29680704 = 294307^2 + 5448^2 .

It is a cyclic number.

It is not a de Polignac number, because 86646290953 - 2⁵ = 86646290921 is a prime.

It is not a weakly prime, because it can be changed into another prime (86646290923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43323145476 + 43323145477.

It is an arithmetic number, because the mean of its divisors is an integer number (43323145477).

Almost surely, 2^86646290953 is an apocalyptic number.

It is an amenable number.

86646290953 is a deficient number, since it is larger than the sum of its proper divisors (1).

86646290953 is an equidigital number, since it uses as much as digits as its factorization.

86646290953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 86646290953 in words is "eighty-six billion, six hundred forty-six million, two hundred ninety thousand, nine hundred fifty-three".