80077605 has 16 divisors (see below), whose sum is σ = 133695360. Its totient is φ = 40851008.

The previous prime is 80077601. The next prime is 80077631. The reversal of 80077605 is 50677008.

It is a cyclic number.

It is not a de Polignac number, because 80077605 - 2² = 80077601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80077601) by changing a digit.

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, 115710 + ... + 116399.

It is an arithmetic number, because the mean of its divisors is an integer number (8355960).

Almost surely, 2^80077605 is an apocalyptic number.

It is an amenable number.

80077605 is a deficient number, since it is larger than the sum of its proper divisors (53617755).

80077605 is a wasteful number, since it uses less digits than its factorization.

80077605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232140.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 80077605 is about 8948.6091098002. The cubic root of 80077605 is about 431.0262220648.

The spelling of 80077605 in words is "eighty million, seventy-seven thousand, six hundred five".