8085550780 has 12 divisors (see below), whose sum is σ = 16979656680. Its totient is φ = 3234220304.

The previous prime is 8085550771. The next prime is 8085550799. The reversal of 8085550780 is 870555808.

It is a super-2 number, since 2×8085550780² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8085550780.

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, 202138750 + ... + 202138789.

It is an arithmetic number, because the mean of its divisors is an integer number (1414971390).

Almost surely, 2^8085550780 is an apocalyptic number.

It is an amenable number.

8085550780 is an abundant number, since it is smaller than the sum of its proper divisors (8894105900).

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

8085550780 is a wasteful number, since it uses less digits than its factorization.

8085550780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404277548 (or 404277546 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 46.

The square root of 8085550780 is about 89919.6907245571. The cubic root of 8085550780 is about 2007.1039686057.

The spelling of 8085550780 in words is "eight billion, eighty-five million, five hundred fifty thousand, seven hundred eighty".