28076697 has 24 divisors (see below), whose sum is σ = 45085248. Its totient is φ = 16692000.

The previous prime is 28076683. The next prime is 28076717. The reversal of 28076697 is 79667082.

It is a happy number.

It is not a de Polignac number, because 28076697 - 2⁴ = 28076681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28076627) 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 23 ways as a sum of consecutive naturals, for example, 2572 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (1878552).

Almost surely, 2^28076697 is an apocalyptic number.

It is an amenable number.

28076697 is a deficient number, since it is larger than the sum of its proper divisors (17008551).

28076697 is a wasteful number, since it uses less digits than its factorization.

28076697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 28076697 is about 5298.7448513775. The cubic root of 28076697 is about 303.9359030665.

The spelling of 28076697 in words is "twenty-eight million, seventy-six thousand, six hundred ninety-seven".