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8728664023 is a prime number
BaseRepresentation
bin10000010000100010…
…01101011111010111
3211112022112002000201
420020101031133113
5120334014222043
64002045321331
7426206264032
oct101021153727
924468462021
108728664023
11377a115522
121837266247
13a914aa371
145cb384019
15361480c4d
hex20844d7d7

8728664023 has 2 divisors, whose sum is σ = 8728664024. Its totient is φ = 8728664022.

The previous prime is 8728663997. The next prime is 8728664027. The reversal of 8728664023 is 3204668278.

8728664023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8728664023 - 217 = 8728532951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8728664027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364332011 + 4364332012.

It is an arithmetic number, because the mean of its divisors is an integer number (4364332012).

Almost surely, 28728664023 is an apocalyptic number.

8728664023 is a deficient number, since it is larger than the sum of its proper divisors (1).

8728664023 is an equidigital number, since it uses as much as digits as its factorization.

8728664023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 8728664023 is about 93427.3194681299. The cubic root of 8728664023 is about 2058.9663981688.

The spelling of 8728664023 in words is "eight billion, seven hundred twenty-eight million, six hundred sixty-four thousand, twenty-three".