80116959 has 16 divisors (see below), whose sum is σ = 115875200. Its totient is φ = 48944736.

The previous prime is 80116957. The next prime is 80116963. The reversal of 80116959 is 95961108.

It is not a de Polignac number, because 80116959 - 2¹ = 80116957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80116957) 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 15 ways as a sum of consecutive naturals, for example, 1969 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (7242200).

Almost surely, 2^80116959 is an apocalyptic number.

80116959 is a deficient number, since it is larger than the sum of its proper divisors (35758241).

80116959 is a wasteful number, since it uses less digits than its factorization.

80116959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 80116959 is about 8950.8077289147. The cubic root of 80116959 is about 431.0968195306.

The spelling of 80116959 in words is "eighty million, one hundred sixteen thousand, nine hundred fifty-nine".