28150727 has 8 divisors (see below), whose sum is σ = 30760320. Its totient is φ = 25549560.

The previous prime is 28150711. The next prime is 28150751. The reversal of 28150727 is 72705182.

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 28150727 - 2⁴ = 28150711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28150693 and 28150702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150757) 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, 6398 + ... + 9860.

It is an arithmetic number, because the mean of its divisors is an integer number (3845040).

Almost surely, 2^28150727 is an apocalyptic number.

28150727 is a deficient number, since it is larger than the sum of its proper divisors (2609593).

28150727 is a wasteful number, since it uses less digits than its factorization.

28150727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 28150727 is about 5305.7258692850. The cubic root of 28150727 is about 304.2027985184.

The spelling of 28150727 in words is "twenty-eight million, one hundred fifty thousand, seven hundred twenty-seven".