80005290 has 32 divisors (see below), whose sum is σ = 193202496. Its totient is φ = 21202560.

The previous prime is 80005283. The next prime is 80005297. The reversal of 80005290 is 9250008.

It is an interprime number because it is at equal distance from previous prime (80005283) and next prime (80005297).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80005290.

It is not an unprimeable number, because it can be changed into a prime (80005297) 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 15 ways as a sum of consecutive naturals, for example, 3291 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (6037578).

Almost surely, 2^80005290 is an apocalyptic number.

80005290 is an abundant number, since it is smaller than the sum of its proper divisors (113197206).

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

80005290 is a wasteful number, since it uses less digits than its factorization.

80005290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16534.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 80005290 is about 8944.5676251007. The cubic root of 80005290 is about 430.8964352633.

Adding to 80005290 its reverse (9250008), we get a palindrome (89255298).

The spelling of 80005290 in words is "eighty million, five thousand, two hundred ninety".