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76708997 is a prime number
BaseRepresentation
bin1001001001001…
…11110010000101
312100100012221222
410210213302011
5124114141442
611340050125
71621005251
oct444476205
9170305858
1076708997
113a333672
1221833945
1312b7a451
14a28b261
156b038d2
hex4927c85

76708997 has 2 divisors, whose sum is σ = 76708998. Its totient is φ = 76708996.

The previous prime is 76708969. The next prime is 76708999. The reversal of 76708997 is 79980767.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75186241 + 1522756 = 8671^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 76708997 - 214 = 76692613 is a prime.

Together with 76708999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76708999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38354498 + 38354499.

It is an arithmetic number, because the mean of its divisors is an integer number (38354499).

Almost surely, 276708997 is an apocalyptic number.

It is an amenable number.

76708997 is a deficient number, since it is larger than the sum of its proper divisors (1).

76708997 is an equidigital number, since it uses as much as digits as its factorization.

76708997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The square root of 76708997 is about 8758.3672565153. The cubic root of 76708997 is about 424.8954704867.

The spelling of 76708997 in words is "seventy-six million, seven hundred eight thousand, nine hundred ninety-seven".