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5677788881 is a prime number
BaseRepresentation
bin1010100100110110…
…00010111011010001
3112122200202120010002
411102123002323101
543112003221011
62335222415345
7260462260232
oct52233027321
915580676102
105677788881
112453a66906
121125591555
136c63c22bb
143bc0d7089
152336dcc3b
hex1526c2ed1

5677788881 has 2 divisors, whose sum is σ = 5677788882. Its totient is φ = 5677788880.

The previous prime is 5677788871. The next prime is 5677788887. The reversal of 5677788881 is 1888877765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5538336400 + 139452481 = 74420^2 + 11809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5677788881 is a prime.

It is a super-3 number, since 3×56777888813 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (5677788887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2838894440 + 2838894441.

It is an arithmetic number, because the mean of its divisors is an integer number (2838894441).

Almost surely, 25677788881 is an apocalyptic number.

It is an amenable number.

5677788881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5677788881 is an equidigital number, since it uses as much as digits as its factorization.

5677788881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42147840, while the sum is 65.

The square root of 5677788881 is about 75351.1040463244. The cubic root of 5677788881 is about 1783.9927289992.

The spelling of 5677788881 in words is "five billion, six hundred seventy-seven million, seven hundred eighty-eight thousand, eight hundred eighty-one".