80845116 has 48 divisors (see below), whose sum is σ = 206330880. Its totient is φ = 24433920.

The previous prime is 80845103. The next prime is 80845129. The reversal of 80845116 is 61154808.

It is an interprime number because it is at equal distance from previous prime (80845103) and next prime (80845129).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79620 + ... + 80628.

It is an arithmetic number, because the mean of its divisors is an integer number (4298560).

Almost surely, 2^80845116 is an apocalyptic number.

It is an amenable number.

80845116 is an abundant number, since it is smaller than the sum of its proper divisors (125485764).

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

80845116 is a wasteful number, since it uses less digits than its factorization.

80845116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 80845116 is about 8991.3912160466. The cubic root of 80845116 is about 432.3989156437.

The spelling of 80845116 in words is "eighty million, eight hundred forty-five thousand, one hundred sixteen".