28377883 has 8 divisors (see below), whose sum is σ = 29811456. Its totient is φ = 26961000.

The previous prime is 28377851. The next prime is 28377911. The reversal of 28377883 is 38877382.

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 28377883 - 2⁵ = 28377851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28377983) 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, 613 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (3726432).

Almost surely, 2^28377883 is an apocalyptic number.

28377883 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28377883 is a deficient number, since it is larger than the sum of its proper divisors (1433573).

28377883 is a wasteful number, since it uses less digits than its factorization.

28377883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345.

The product of its digits is 451584, while the sum is 46.

The square root of 28377883 is about 5327.0895430807. The cubic root of 28377883 is about 305.0188396497.

The spelling of 28377883 in words is "twenty-eight million, three hundred seventy-seven thousand, eight hundred eighty-three".