80798594 has 4 divisors (see below), whose sum is σ = 121197894. Its totient is φ = 40399296.

The previous prime is 80798567. The next prime is 80798623. The reversal of 80798594 is 49589708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78092569 + 2706025 = 8837^2 + 1645^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20199647 + ... + 20199650.

Almost surely, 2^80798594 is an apocalyptic number.

80798594 is a deficient number, since it is larger than the sum of its proper divisors (40399300).

80798594 is a wasteful number, since it uses less digits than its factorization.

80798594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40399299.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 80798594 is about 8988.8038136339. The cubic root of 80798594 is about 432.3159589847.

The spelling of 80798594 in words is "eighty million, seven hundred ninety-eight thousand, five hundred ninety-four".