85394963672 has 64 divisors (see below), whose sum is σ = 166217909760. Its totient is φ = 41099449600.

The previous prime is 85394963639. The next prime is 85394963749. The reversal of 85394963672 is 27636949358.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26759597 + ... + 26762787.

It is an arithmetic number, because the mean of its divisors is an integer number (2597154840).

Almost surely, 2^85394963672 is an apocalyptic number.

85394963672 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85394963672 is a deficient number, since it is larger than the sum of its proper divisors (80822946088).

85394963672 is a wasteful number, since it uses less digits than its factorization.

85394963672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304 (or 4300 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 62.

The spelling of 85394963672 in words is "eighty-five billion, three hundred ninety-four million, nine hundred sixty-three thousand, six hundred seventy-two".