28625797 has 8 divisors (see below), whose sum is σ = 29242080. Its totient is φ = 28014000.

The previous prime is 28625783. The next prime is 28625801. The reversal of 28625797 is 79752682.

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 28625797 - 2⁷ = 28625669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28625497) 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, 13843 + ... + 15775.

It is an arithmetic number, because the mean of its divisors is an integer number (3655260).

Almost surely, 2^28625797 is an apocalyptic number.

It is an amenable number.

28625797 is a deficient number, since it is larger than the sum of its proper divisors (616283).

28625797 is a wasteful number, since it uses less digits than its factorization.

28625797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its digits is 423360, while the sum is 46.

The square root of 28625797 is about 5350.3081219683. The cubic root of 28625797 is about 305.9044976578.

The spelling of 28625797 in words is "twenty-eight million, six hundred twenty-five thousand, seven hundred ninety-seven".