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79992808943 is a prime number
BaseRepresentation
bin100101001111111110…
…0010110010111101111
321122110211120201201112
41022133330112113233
52302311124341233
6100425335302235
75531203441265
oct1123774262757
9248424521645
1079992808943
1130a19945363
121360551a97b
13770a7b7958
143c2bc26435
152132a4d048
hex129ff165ef

79992808943 has 2 divisors, whose sum is σ = 79992808944. Its totient is φ = 79992808942.

The previous prime is 79992808873. The next prime is 79992808981. The reversal of 79992808943 is 34980829997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79992808943 - 230 = 78919067119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79992808243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39996404471 + 39996404472.

It is an arithmetic number, because the mean of its divisors is an integer number (39996404472).

Almost surely, 279992808943 is an apocalyptic number.

79992808943 is a deficient number, since it is larger than the sum of its proper divisors (1).

79992808943 is an equidigital number, since it uses as much as digits as its factorization.

79992808943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 79992808943 in words is "seventy-nine billion, nine hundred ninety-two million, eight hundred eight thousand, nine hundred forty-three".