85955280949 has 16 divisors (see below), whose sum is σ = 93113798400. Its totient is φ = 79051474944.

The previous prime is 85955280923. The next prime is 85955281001. The reversal of 85955280949 is 94908255958.

It is a cyclic number.

It is not a de Polignac number, because 85955280949 - 2²⁷ = 85821063221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85955260949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199639 + ... + 460180.

It is an arithmetic number, because the mean of its divisors is an integer number (5819612400).

Almost surely, 2^85955280949 is an apocalyptic number.

It is an amenable number.

85955280949 is a deficient number, since it is larger than the sum of its proper divisors (7158517451).

85955280949 is a wasteful number, since it uses less digits than its factorization.

85955280949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660012.

The product of its (nonzero) digits is 46656000, while the sum is 64.

The spelling of 85955280949 in words is "eighty-five billion, nine hundred fifty-five million, two hundred eighty thousand, nine hundred forty-nine".