28877883 has 8 divisors (see below), whose sum is σ = 40768848. Its totient is φ = 18119424.

The previous prime is 28877873. The next prime is 28877887. The reversal of 28877883 is 38877882.

It is a happy number.

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

It is not a de Polignac number, because 28877883 - 2¹³ = 28869691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 566233 = 28877883 / (2 + 8 + 8 + 7 + 7 + 8 + 8 + 3).

It is not an unprimeable number, because it can be changed into a prime (28877887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283066 + ... + 283167.

It is an arithmetic number, because the mean of its divisors is an integer number (5096106).

Almost surely, 2^28877883 is an apocalyptic number.

28877883 is a deficient number, since it is larger than the sum of its proper divisors (11890965).

28877883 is a wasteful number, since it uses less digits than its factorization.

28877883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566253.

The product of its digits is 1204224, while the sum is 51.

The square root of 28877883 is about 5373.8145669533. The cubic root of 28877883 is about 306.7998320269.

Subtracting 28877883 from its reverse (38877882), we obtain a palindrome (9999999).

The spelling of 28877883 in words is "twenty-eight million, eight hundred seventy-seven thousand, eight hundred eighty-three".