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7666480087951 is a prime number
BaseRepresentation
bin110111110001111110111…
…0100101000001110001111
31000010220112011211102011011
41233203331310220032033
52001101422400303301
624145533214510051
71420612344353506
oct157437564501617
930126464742134
107666480087951
112496377165993
12a39994805327
13437c3b3b1789
141c70b982d83d
15d4651b3aa51
hex6f8fdd2838f

7666480087951 has 2 divisors, whose sum is σ = 7666480087952. Its totient is φ = 7666480087950.

The previous prime is 7666480087891. The next prime is 7666480087967. The reversal of 7666480087951 is 1597800846667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7666480087951 - 27 = 7666480087823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7666480087151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833240043975 + 3833240043976.

It is an arithmetic number, because the mean of its divisors is an integer number (3833240043976).

Almost surely, 27666480087951 is an apocalyptic number.

7666480087951 is a deficient number, since it is larger than the sum of its proper divisors (1).

7666480087951 is an equidigital number, since it uses as much as digits as its factorization.

7666480087951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 7666480087951 in words is "seven trillion, six hundred sixty-six billion, four hundred eighty million, eighty-seven thousand, nine hundred fifty-one".