28466977 has 16 divisors (see below), whose sum is σ = 35713152. Its totient is φ = 22043520.

The previous prime is 28466957. The next prime is 28466981. The reversal of 28466977 is 77966482.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28466977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28466977.

It is not an unprimeable number, because it can be changed into a prime (28466947) 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 15 ways as a sum of consecutive naturals, for example, 12253 + ... + 14389.

It is an arithmetic number, because the mean of its divisors is an integer number (2232072).

Almost surely, 2^28466977 is an apocalyptic number.

It is an amenable number.

28466977 is a deficient number, since it is larger than the sum of its proper divisors (7246175).

28466977 is a wasteful number, since it uses less digits than its factorization.

28466977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its digits is 1016064, while the sum is 49.

The square root of 28466977 is about 5335.4453422371. The cubic root of 28466977 is about 305.3377142521.

The spelling of 28466977 in words is "twenty-eight million, four hundred sixty-six thousand, nine hundred seventy-seven".