85645854658 has 16 divisors (see below), whose sum is σ = 158115424320. Its totient is φ = 33881876496.

The previous prime is 85645854617. The next prime is 85645854703.

85645854658 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 85645854658.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 235290628 + ... + 235290991.

It is an arithmetic number, because the mean of its divisors is an integer number (9882214020).

Almost surely, 2^85645854658 is an apocalyptic number.

85645854658 is a deficient number, since it is larger than the sum of its proper divisors (72469569662).

85645854658 is a wasteful number, since it uses less digits than its factorization.

85645854658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470581641.

The product of its digits is 184320000, while the sum is 64.

The spelling of 85645854658 in words is "eighty-five billion, six hundred forty-five million, eight hundred fifty-four thousand, six hundred fifty-eight".