8728823 has 2 divisors, whose sum is σ = 8728824. Its totient is φ = 8728822.

The previous prime is 8728807. The next prime is 8728849. The reversal of 8728823 is 3288278.

8728823 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8728823 - 2⁴ = 8728807 is a prime.

It is a super-3 number, since 3×8728823³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8728883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364411 + 4364412.

It is an arithmetic number, because the mean of its divisors is an integer number (4364412).

Almost surely, 2^8728823 is an apocalyptic number.

8728823 is a deficient number, since it is larger than the sum of its proper divisors (1).

8728823 is an equidigital number, since it uses as much as digits as its factorization.

8728823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 38.

The square root of 8728823 is about 2954.4581567523. The cubic root of 8728823 is about 205.8978898223.

The spelling of 8728823 in words is "eight million, seven hundred twenty-eight thousand, eight hundred twenty-three".