85458144088 has 16 divisors (see below), whose sum is σ = 161386785000. Its totient is φ = 42421668096.

The previous prime is 85458144047. The next prime is 85458144091. The reversal of 85458144088 is 88044185458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38424313 + ... + 38426536.

Almost surely, 2^85458144088 is an apocalyptic number.

It is an amenable number.

85458144088 is a deficient number, since it is larger than the sum of its proper divisors (75928640912).

85458144088 is a wasteful number, since it uses less digits than its factorization.

85458144088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76850994 (or 76850990 counting only the distinct ones).

The product of its (nonzero) digits is 6553600, while the sum is 55.

The spelling of 85458144088 in words is "eighty-five billion, four hundred fifty-eight million, one hundred forty-four thousand, eighty-eight".