28707627 has 8 divisors (see below), whose sum is σ = 41221264. Its totient is φ = 17666208.

The previous prime is 28707619. The next prime is 28707629. The reversal of 28707627 is 72670782.

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

It is not a de Polignac number, because 28707627 - 2³ = 28707619 is a prime.

It is a super-2 number, since 2×28707627² = 1648255695942258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 736093 = 28707627 / (2 + 8 + 7 + 0 + 7 + 6 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28707629) 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, 368008 + ... + 368085.

It is an arithmetic number, because the mean of its divisors is an integer number (5152658).

Almost surely, 2^28707627 is an apocalyptic number.

28707627 is a deficient number, since it is larger than the sum of its proper divisors (12513637).

28707627 is a wasteful number, since it uses less digits than its factorization.

28707627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736109.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 28707627 is about 5357.9498877836. The cubic root of 28707627 is about 306.1957076045.

The spelling of 28707627 in words is "twenty-eight million, seven hundred seven thousand, six hundred twenty-seven".