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64996807 is a prime number
BaseRepresentation
bin1111011111110…
…0010111000111
311112022011212011
43313330113013
5113114344212
610241035051
71416315031
oct367742707
9145264764
1064996807
1133764077
1219925a87
1310609465
1488bcc51
155a8d4a7
hex3dfc5c7

64996807 has 2 divisors, whose sum is σ = 64996808. Its totient is φ = 64996806.

The previous prime is 64996793. The next prime is 64996837. The reversal of 64996807 is 70869946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64996807 - 211 = 64994759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64996837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32498403 + 32498404.

It is an arithmetic number, because the mean of its divisors is an integer number (32498404).

Almost surely, 264996807 is an apocalyptic number.

64996807 is a deficient number, since it is larger than the sum of its proper divisors (1).

64996807 is an equidigital number, since it uses as much as digits as its factorization.

64996807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 64996807 is about 8062.0597244129. The cubic root of 64996807 is about 402.0659920704.

The spelling of 64996807 in words is "sixty-four million, nine hundred ninety-six thousand, eight hundred seven".