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76808071 is a prime number
BaseRepresentation
bin1001001001111…
…11111110000111
312100112020212101
410210333332013
5124130324241
611342132531
71621600144
oct444777607
9170466771
1076808071
113a3a104a
1221881147
1312bb3582
14a2b53cb
156b22e31
hex493ff87

76808071 has 2 divisors, whose sum is σ = 76808072. Its totient is φ = 76808070.

The previous prime is 76808033. The next prime is 76808093. The reversal of 76808071 is 17080867.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76808071 - 27 = 76807943 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76808071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76808471) 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, 38404035 + 38404036.

It is an arithmetic number, because the mean of its divisors is an integer number (38404036).

Almost surely, 276808071 is an apocalyptic number.

76808071 is a deficient number, since it is larger than the sum of its proper divisors (1).

76808071 is an equidigital number, since it uses as much as digits as its factorization.

76808071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 76808071 is about 8764.0213943144. The cubic root of 76808071 is about 425.0783172857.

It can be divided in two parts, 7680 and 8071, that added together give a palindrome (15751).

The spelling of 76808071 in words is "seventy-six million, eight hundred eight thousand, seventy-one".