85458801008 has 40 divisors (see below), whose sum is σ = 199189691520. Its totient is φ = 34697557440.

The previous prime is 85458800963. The next prime is 85458801013. The reversal of 85458801008 is 80010885458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20077478 + ... + 20081733.

It is an arithmetic number, because the mean of its divisors is an integer number (4979742288).

Almost surely, 2^85458801008 is an apocalyptic number.

It is an amenable number.

85458801008 is an abundant number, since it is smaller than the sum of its proper divisors (113730890512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85458801008 is a wasteful number, since it uses less digits than its factorization.

85458801008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40159245 (or 40159239 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 47.

The spelling of 85458801008 in words is "eighty-five billion, four hundred fifty-eight million, eight hundred one thousand, eight".