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79206871487 is a prime number
BaseRepresentation
bin100100111000100011…
…0001111000110111111
321120110001200222012212
41021301012033012333
52244203424341422
6100215342051035
75502551204402
oct1116106170677
9246401628185
1079206871487
1130656239977
1213426279a7b
137613a197c3
143b956bbd39
1520d8a529e2
hex127118f1bf

79206871487 has 2 divisors, whose sum is σ = 79206871488. Its totient is φ = 79206871486.

The previous prime is 79206871459. The next prime is 79206871507. The reversal of 79206871487 is 78417860297.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79206871487 - 214 = 79206855103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79206571487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39603435743 + 39603435744.

It is an arithmetic number, because the mean of its divisors is an integer number (39603435744).

Almost surely, 279206871487 is an apocalyptic number.

79206871487 is a deficient number, since it is larger than the sum of its proper divisors (1).

79206871487 is an equidigital number, since it uses as much as digits as its factorization.

79206871487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 79206871487 in words is "seventy-nine billion, two hundred six million, eight hundred seventy-one thousand, four hundred eighty-seven".