28315763 has 8 divisors (see below), whose sum is σ = 32408928. Its totient is φ = 24234624.

The previous prime is 28315759. The next prime is 28315769. The reversal of 28315763 is 36751382.

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 28315763 - 2² = 28315759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28315769) 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, 2795 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (4051116).

Almost surely, 2^28315763 is an apocalyptic number.

28315763 is a deficient number, since it is larger than the sum of its proper divisors (4093165).

28315763 is an equidigital number, since it uses as much as digits as its factorization.

28315763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013.

The product of its digits is 30240, while the sum is 35.

The square root of 28315763 is about 5321.2557728416. The cubic root of 28315763 is about 304.7961120547.

The spelling of 28315763 in words is "twenty-eight million, three hundred fifteen thousand, seven hundred sixty-three".