80605133 has 16 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 65454576.

The previous prime is 80605121. The next prime is 80605199. The reversal of 80605133 is 33150608.

It is a cyclic number.

It is not a de Polignac number, because 80605133 - 2⁴ = 80605117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80605433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14888 + ... + 19566.

It is an arithmetic number, because the mean of its divisors is an integer number (6065280).

Almost surely, 2^80605133 is an apocalyptic number.

It is an amenable number.

80605133 is a deficient number, since it is larger than the sum of its proper divisors (16439347).

80605133 is a wasteful number, since it uses less digits than its factorization.

80605133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 80605133 is about 8978.0361438346. The cubic root of 80605133 is about 431.9706430811.

The spelling of 80605133 in words is "eighty million, six hundred five thousand, one hundred thirty-three".