28334977 has 8 divisors (see below), whose sum is σ = 31665312. Its totient is φ = 25130400.

The previous prime is 28334963. The next prime is 28334981. The reversal of 28334977 is 77943382.

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 28334977 - 2⁷ = 28334849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28334987) 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, 30963 + ... + 31864.

It is an arithmetic number, because the mean of its divisors is an integer number (3958164).

Almost surely, 2^28334977 is an apocalyptic number.

It is an amenable number.

28334977 is a deficient number, since it is larger than the sum of its proper divisors (3330335).

28334977 is a wasteful number, since it uses less digits than its factorization.

28334977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62879.

The product of its digits is 254016, while the sum is 43.

The square root of 28334977 is about 5323.0608675836. The cubic root of 28334977 is about 304.8650374840.

The spelling of 28334977 in words is "twenty-eight million, three hundred thirty-four thousand, nine hundred seventy-seven".