85017666835 has 16 divisors (see below), whose sum is σ = 102269018880. Its totient is φ = 67849048960.

The previous prime is 85017666827. The next prime is 85017666869. The reversal of 85017666835 is 53866671058.

It is not a de Polignac number, because 85017666835 - 2³ = 85017666827 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6587649 + ... + 6600541.

It is an arithmetic number, because the mean of its divisors is an integer number (6391813680).

Almost surely, 2^85017666835 is an apocalyptic number.

85017666835 is a deficient number, since it is larger than the sum of its proper divisors (17251352045).

85017666835 is a wasteful number, since it uses less digits than its factorization.

85017666835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15998.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 85017666835 in words is "eighty-five billion, seventeen million, six hundred sixty-six thousand, eight hundred thirty-five".