80170002 has 36 divisors (see below), whose sum is σ = 190933470. Its totient is φ = 24293280.

The previous prime is 80169959. The next prime is 80170003. The reversal of 80170002 is 20007108.

It can be written as a sum of positive squares in only one way, i.e., 71927361 + 8242641 = 8481^2 + 2871^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (80170003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16227 + ... + 20582.

Almost surely, 2^80170002 is an apocalyptic number.

80170002 is an abundant number, since it is smaller than the sum of its proper divisors (110763468).

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

80170002 is a wasteful number, since it uses less digits than its factorization.

80170002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36839 (or 36825 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 80170002 is about 8953.7702673231. The cubic root of 80170002 is about 431.1919372364.

The spelling of 80170002 in words is "eighty million, one hundred seventy thousand, two".