28156795 has 8 divisors (see below), whose sum is σ = 33846624. Its totient is φ = 22486464.

The previous prime is 28156781. The next prime is 28156823. The reversal of 28156795 is 59765182.

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 28156795 - 2⁵ = 28156763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479 + ... + 7648.

It is an arithmetic number, because the mean of its divisors is an integer number (4230828).

Almost surely, 2^28156795 is an apocalyptic number.

28156795 is a deficient number, since it is larger than the sum of its proper divisors (5689829).

28156795 is an equidigital number, since it uses as much as digits as its factorization.

28156795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749.

The product of its digits is 151200, while the sum is 43.

The square root of 28156795 is about 5306.2976735196. The cubic root of 28156795 is about 304.2246543182.

It can be divided in two parts, 2815679 and 5, that added together give a square (2815684 = 1678²).

The spelling of 28156795 in words is "twenty-eight million, one hundred fifty-six thousand, seven hundred ninety-five".