80738859 has 4 divisors (see below), whose sum is σ = 107651816. Its totient is φ = 53825904.

The previous prime is 80738789. The next prime is 80738873. The reversal of 80738859 is 95883708.

It is a happy number.

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

It is not a de Polignac number, because 80738859 - 2¹¹ = 80736811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80738159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13456474 + ... + 13456479.

It is an arithmetic number, because the mean of its divisors is an integer number (26912954).

Almost surely, 2^80738859 is an apocalyptic number.

80738859 is a deficient number, since it is larger than the sum of its proper divisors (26912957).

80738859 is a wasteful number, since it uses less digits than its factorization.

80738859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26912956.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 80738859 is about 8985.4804546001. The cubic root of 80738859 is about 432.2093945871.

The spelling of 80738859 in words is "eighty million, seven hundred thirty-eight thousand, eight hundred fifty-nine".