28160877 has 16 divisors (see below), whose sum is σ = 38376000. Its totient is φ = 18363264.

The previous prime is 28160819. The next prime is 28160887. The reversal of 28160877 is 77806182.

It is not a de Polignac number, because 28160877 - 2⁶ = 28160813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160807) 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, 68649 + ... + 69057.

It is an arithmetic number, because the mean of its divisors is an integer number (2398500).

Almost surely, 2^28160877 is an apocalyptic number.

It is an amenable number.

28160877 is a deficient number, since it is larger than the sum of its proper divisors (10215123).

28160877 is a wasteful number, since it uses less digits than its factorization.

28160877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 28160877 is about 5306.6822968782. The cubic root of 28160877 is about 304.2393551513.

The spelling of 28160877 in words is "twenty-eight million, one hundred sixty thousand, eight hundred seventy-seven".