80605533 has 8 divisors (see below), whose sum is σ = 108769248. Its totient is φ = 53089424.

The previous prime is 80605531. The next prime is 80605537. The reversal of 80605533 is 33550608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80605533 - 2¹ = 80605531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80605533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80605531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161610 + ... + 162107.

It is an arithmetic number, because the mean of its divisors is an integer number (13596156).

Almost surely, 2^80605533 is an apocalyptic number.

80605533 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

80605533 is a deficient number, since it is larger than the sum of its proper divisors (28163715).

80605533 is a wasteful number, since it uses less digits than its factorization.

80605533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323803.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 80605533 is about 8978.0584203936. The cubic root of 80605533 is about 431.9713576260.

The spelling of 80605533 in words is "eighty million, six hundred five thousand, five hundred thirty-three".