28747959 has 8 divisors (see below), whose sum is σ = 38408832. Its totient is φ = 19126200.

The previous prime is 28747949. The next prime is 28747981. The reversal of 28747959 is 95974782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28747959 - 2¹¹ = 28745911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28747949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 11034.

It is an arithmetic number, because the mean of its divisors is an integer number (4801104).

Almost surely, 2^28747959 is an apocalyptic number.

28747959 is a deficient number, since it is larger than the sum of its proper divisors (9660873).

28747959 is a wasteful number, since it uses less digits than its factorization.

28747959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19557.

The product of its digits is 1270080, while the sum is 51.

The square root of 28747959 is about 5361.7123197725. The cubic root of 28747959 is about 306.3390342824.

The spelling of 28747959 in words is "twenty-eight million, seven hundred forty-seven thousand, nine hundred fifty-nine".