28880527 has 8 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 26585760.

The previous prime is 28880519. The next prime is 28880543. The reversal of 28880527 is 72508882.

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 28880527 - 2³ = 28880519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28880527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28880557) 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, 2202 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (3898440).

Almost surely, 2^28880527 is an apocalyptic number.

28880527 is a deficient number, since it is larger than the sum of its proper divisors (2306993).

28880527 is a wasteful number, since it uses less digits than its factorization.

28880527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 28880527 is about 5374.0605690669. The cubic root of 28880527 is about 306.8091950632.

The spelling of 28880527 in words is "twenty-eight million, eight hundred eighty thousand, five hundred twenty-seven".