28616753 has 4 divisors (see below), whose sum is σ = 31218288. Its totient is φ = 26015220.

The previous prime is 28616737. The next prime is 28616771. The reversal of 28616753 is 35761682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28616753 - 2⁴ = 28616737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28616713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300751 + ... + 1300772.

It is an arithmetic number, because the mean of its divisors is an integer number (7804572).

Almost surely, 2^28616753 is an apocalyptic number.

It is an amenable number.

28616753 is a deficient number, since it is larger than the sum of its proper divisors (2601535).

28616753 is a wasteful number, since it uses less digits than its factorization.

28616753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601534.

The product of its digits is 60480, while the sum is 38.

The square root of 28616753 is about 5349.4628702329. The cubic root of 28616753 is about 305.8722785644.

Subtracting 28616753 from its reverse (35761682), we obtain a square (7144929 = 2673²).

The spelling of 28616753 in words is "twenty-eight million, six hundred sixteen thousand, seven hundred fifty-three".