885451561880 has 16 divisors (see below), whose sum is σ = 1992266014320. Its totient is φ = 354180624736.

The previous prime is 885451561867. The next prime is 885451561909. The reversal of 885451561880 is 88165154588.

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, 11068144484 + ... + 11068144563.

It is an arithmetic number, because the mean of its divisors is an integer number (124516625895).

Almost surely, 2^885451561880 is an apocalyptic number.

It is an amenable number.

885451561880 is an abundant number, since it is smaller than the sum of its proper divisors (1106814452440).

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

885451561880 is a wasteful number, since it uses less digits than its factorization.

885451561880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136289058 (or 22136289054 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 59.

The spelling of 885451561880 in words is "eight hundred eighty-five billion, four hundred fifty-one million, five hundred sixty-one thousand, eight hundred eighty".