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8288881 is a prime number
BaseRepresentation
bin11111100111101001110001
3120121010012121
4133213221301
54110221011
6453354241
7130311556
oct37475161
916533177
108288881
114751617
122938981
131942a83
14115aa2d
15adae71
hex7e7a71

8288881 has 2 divisors, whose sum is σ = 8288882. Its totient is φ = 8288880.

The previous prime is 8288869. The next prime is 8288893. The reversal of 8288881 is 1888828.

It is a balanced prime because it is at equal distance from previous prime (8288869) and next prime (8288893).

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 80656 = 2865^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 8288881 - 25 = 8288849 is a prime.

It is a super-2 number, since 2×82888812 = 137411096464322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8288831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4144440 + 4144441.

It is an arithmetic number, because the mean of its divisors is an integer number (4144441).

Almost surely, 28288881 is an apocalyptic number.

It is an amenable number.

8288881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8288881 is an equidigital number, since it uses as much as digits as its factorization.

8288881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65536, while the sum is 43.

The square root of 8288881 is about 2879.0416808376. The cubic root of 8288881 is about 202.3789328659.

The spelling of 8288881 in words is "eight million, two hundred eighty-eight thousand, eight hundred eighty-one".