85212080880 has 40 divisors (see below), whose sum is σ = 264157451472. Its totient is φ = 22723221504.

The previous prime is 85212080873. The next prime is 85212080903. The reversal of 85212080880 is 8808021258.

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

It is a super-2 number, since 2×85212080880² (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, 177524929 + ... + 177525408.

Almost surely, 2^85212080880 is an apocalyptic number.

85212080880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85212080880 is an abundant number, since it is smaller than the sum of its proper divisors (178945370592).

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

85212080880 is a wasteful number, since it uses less digits than its factorization.

85212080880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355050353 (or 355050347 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 42.

The spelling of 85212080880 in words is "eighty-five billion, two hundred twelve million, eighty thousand, eight hundred eighty".