80885700 has 216 divisors, whose sum is σ = 298439232. Its totient is φ = 17936640.

The previous prime is 80885659. The next prime is 80885713. The reversal of 80885700 is 758808.

80885700 is a `hidden beast` number, since 8 + 0 + 88 + 570 + 0 = 666.

It is a super-3 number, since 3×80885700³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 232927 + ... + 233273.

Almost surely, 2^80885700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80885700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149219616).

80885700 is an abundant number, since it is smaller than the sum of its proper divisors (217553532).

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

80885700 is a wasteful number, since it uses less digits than its factorization.

80885700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 80885700 is about 8993.6477582792. The cubic root of 80885700 is about 432.4712578492.

The spelling of 80885700 in words is "eighty million, eight hundred eighty-five thousand, seven hundred".