28080177 has 8 divisors (see below), whose sum is σ = 37559616. Its totient is φ = 18660432.

The previous prime is 28080163. The next prime is 28080181. The reversal of 28080177 is 77108082.

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

It is not a de Polignac number, because 28080177 - 2¹⁶ = 28014641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28080137) 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, 13813 + ... + 15714.

It is an arithmetic number, because the mean of its divisors is an integer number (4694952).

Almost surely, 2^28080177 is an apocalyptic number.

It is an amenable number.

28080177 is a deficient number, since it is larger than the sum of its proper divisors (9479439).

28080177 is a wasteful number, since it uses less digits than its factorization.

28080177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29847.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 28080177 is about 5299.0732208566. The cubic root of 28080177 is about 303.9484597815.

The spelling of 28080177 in words is "twenty-eight million, eighty thousand, one hundred seventy-seven".