28652763 has 16 divisors (see below), whose sum is σ = 39414816. Its totient is φ = 18501120.

The previous prime is 28652753. The next prime is 28652777. The reversal of 28652763 is 36725682.

It is not a de Polignac number, because 28652763 - 2¹⁴ = 28636379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28652753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32083 + ... + 32963.

It is an arithmetic number, because the mean of its divisors is an integer number (2463426).

Almost surely, 2^28652763 is an apocalyptic number.

28652763 is a deficient number, since it is larger than the sum of its proper divisors (10762053).

28652763 is a wasteful number, since it uses less digits than its factorization.

28652763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its digits is 120960, while the sum is 39.

The square root of 28652763 is about 5352.8275705462. The cubic root of 28652763 is about 306.0005233021. Note that the first 3 decimals are identical.

The spelling of 28652763 in words is "twenty-eight million, six hundred fifty-two thousand, seven hundred sixty-three".