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968660959477 is a prime number
BaseRepresentation
bin11100001100010001011…
…00010100000011110101
310102121021122111012211111
432012020230110003311
5111332304201200402
62020555142035021
7126661215205651
oct16061054240365
93377248435744
10968660959477
11343896949a02
12137896718a71
1370462679893
1434c52237a61
151a2e52d99d7
hexe188b140f5

968660959477 has 2 divisors, whose sum is σ = 968660959478. Its totient is φ = 968660959476.

The previous prime is 968660959471. The next prime is 968660959547. The reversal of 968660959477 is 774959066869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963079225956 + 5581733521 = 981366^2 + 74711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-968660959477 is a prime.

It is a super-2 number, since 2×9686609594772 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968660959471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484330479738 + 484330479739.

It is an arithmetic number, because the mean of its divisors is an integer number (484330479739).

Almost surely, 2968660959477 is an apocalyptic number.

It is an amenable number.

968660959477 is a deficient number, since it is larger than the sum of its proper divisors (1).

968660959477 is an equidigital number, since it uses as much as digits as its factorization.

968660959477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234517760, while the sum is 76.

The spelling of 968660959477 in words is "nine hundred sixty-eight billion, six hundred sixty million, nine hundred fifty-nine thousand, four hundred seventy-seven".