28877601 has 8 divisors (see below), whose sum is σ = 38612160. Its totient is φ = 19197392.

The previous prime is 28877593. The next prime is 28877657. The reversal of 28877601 is 10677882.

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 28877601 - 2³ = 28877593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28877601.

It is not an unprimeable number, because it can be changed into a prime (28873601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12330 + ... + 14483.

It is an arithmetic number, because the mean of its divisors is an integer number (4826520).

Almost surely, 2^28877601 is an apocalyptic number.

It is an amenable number.

28877601 is a deficient number, since it is larger than the sum of its proper divisors (9734559).

28877601 is a wasteful number, since it uses less digits than its factorization.

28877601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27175.

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

The square root of 28877601 is about 5373.7883285444. The cubic root of 28877601 is about 306.7988333637.

The spelling of 28877601 in words is "twenty-eight million, eight hundred seventy-seven thousand, six hundred one".