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8712864793 is a prime number
BaseRepresentation
bin10000001110101001…
…11100010000011001
3211111012210101120001
420013110330100121
5120320443133133
64000322533001
7425625062113
oct100724742031
924435711501
108712864793
113771204306
121831b07161
13a8b137cc9
145c92303b3
1535edae87d
hex20753c419

8712864793 has 2 divisors, whose sum is σ = 8712864794. Its totient is φ = 8712864792.

The previous prime is 8712864779. The next prime is 8712864817. The reversal of 8712864793 is 3974682178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5101816329 + 3611048464 = 71427^2 + 60092^2 .

It is a cyclic number.

It is not a de Polignac number, because 8712864793 - 217 = 8712733721 is a prime.

It is not a weakly prime, because it can be changed into another prime (8712864593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356432396 + 4356432397.

It is an arithmetic number, because the mean of its divisors is an integer number (4356432397).

Almost surely, 28712864793 is an apocalyptic number.

It is an amenable number.

8712864793 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712864793 is an equidigital number, since it uses as much as digits as its factorization.

8712864793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 55.

The square root of 8712864793 is about 93342.7275849597. The cubic root of 8712864793 is about 2057.7233774623.

The spelling of 8712864793 in words is "eight billion, seven hundred twelve million, eight hundred sixty-four thousand, seven hundred ninety-three".