80850066 has 32 divisors (see below), whose sum is σ = 176774400. Its totient is φ = 24448080.

The previous prime is 80850059. The next prime is 80850067. The reversal of 80850066 is 66005808.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (80850067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39865 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^80850066 is an apocalyptic number.

80850066 is an abundant number, since it is smaller than the sum of its proper divisors (95924334).

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

80850066 is a wasteful number, since it uses less digits than its factorization.

80850066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 80850066 is about 8991.6664751313. Note that the first 3 decimals coincide. The cubic root of 80850066 is about 432.4077404643.

The spelling of 80850066 in words is "eighty million, eight hundred fifty thousand, sixty-six".