80416785 has 32 divisors (see below), whose sum is σ = 132612480. Its totient is φ = 41587200.

The previous prime is 80416771. The next prime is 80416807. The reversal of 80416785 is 58761408.

It is not a de Polignac number, because 80416785 - 2⁴ = 80416769 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140550 + ... + 141120.

It is an arithmetic number, because the mean of its divisors is an integer number (4144140).

Almost surely, 2^80416785 is an apocalyptic number.

It is an amenable number.

80416785 is a deficient number, since it is larger than the sum of its proper divisors (52195695).

80416785 is a wasteful number, since it uses less digits than its factorization.

80416785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 80416785 is about 8967.5406327488. The cubic root of 80416785 is about 431.6339223401.

The spelling of 80416785 in words is "eighty million, four hundred sixteen thousand, seven hundred eighty-five".