28782753 has 8 divisors (see below), whose sum is σ = 39193728. Its totient is φ = 18780144.

The previous prime is 28782749. The next prime is 28782757. The reversal of 28782753 is 35728782.

It is an interprime number because it is at equal distance from previous prime (28782749) and next prime (28782757).

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

It is not a de Polignac number, because 28782753 - 2² = 28782749 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28782757) 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, 101926 + ... + 102207.

It is an arithmetic number, because the mean of its divisors is an integer number (4899216).

Almost surely, 2^28782753 is an apocalyptic number.

It is an amenable number.

28782753 is a deficient number, since it is larger than the sum of its proper divisors (10410975).

28782753 is a wasteful number, since it uses less digits than its factorization.

28782753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204183.

The product of its digits is 188160, while the sum is 42.

The square root of 28782753 is about 5364.9560110033. The cubic root of 28782753 is about 306.4625730597.

The spelling of 28782753 in words is "twenty-eight million, seven hundred eighty-two thousand, seven hundred fifty-three".