86172463963 has 2 divisors, whose sum is σ = 86172463964. Its totient is φ = 86172463962.

The previous prime is 86172463831. The next prime is 86172463967. The reversal of 86172463963 is 36936427168.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86172463963 is a prime.

It is not a weakly prime, because it can be changed into another prime (86172463967) 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 as a sum of consecutive naturals, namely, 43086231981 + 43086231982.

It is an arithmetic number, because the mean of its divisors is an integer number (43086231982).

Almost surely, 2^86172463963 is an apocalyptic number.

86172463963 is a deficient number, since it is larger than the sum of its proper divisors (1).

86172463963 is an equidigital number, since it uses as much as digits as its factorization.

86172463963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 55.

The spelling of 86172463963 in words is "eighty-six billion, one hundred seventy-two million, four hundred sixty-three thousand, nine hundred sixty-three".