85959995120 has 40 divisors (see below), whose sum is σ = 200167928016. Its totient is φ = 34330503168.

The previous prime is 85959995113. The next prime is 85959995167. The reversal of 85959995120 is 2159995958.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×85959995120² (a number of 23 digits) contains 22 as substring.

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, 784097 + ... + 886976.

Almost surely, 2^85959995120 is an apocalyptic number.

85959995120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85959995120 is an abundant number, since it is smaller than the sum of its proper divisors (114207932896).

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

85959995120 is a wasteful number, since it uses less digits than its factorization.

85959995120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671729 (or 1671723 counting only the distinct ones).

The product of its (nonzero) digits is 13122000, while the sum is 62.

The spelling of 85959995120 in words is "eighty-five billion, nine hundred fifty-nine million, nine hundred ninety-five thousand, one hundred twenty".