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8706979093 is a prime number
BaseRepresentation
bin10000001101111100…
…11111010100010101
3211110210201100220011
420012332133110111
5120312441312333
63555552440221
7425524046461
oct100676372425
924423640804
108706979093
11376895429a
12182bb49071
13a89b57047
145c853b4a1
1535e5ea9cd
hex206f9f515

8706979093 has 2 divisors, whose sum is σ = 8706979094. Its totient is φ = 8706979092.

The previous prime is 8706979091. The next prime is 8706979243. The reversal of 8706979093 is 3909796078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5505343204 + 3201635889 = 74198^2 + 56583^2 .

It is a cyclic number.

It is not a de Polignac number, because 8706979093 - 21 = 8706979091 is a prime.

It is a super-2 number, since 2×87069790932 (a number of 21 digits) contains 22 as substring.

Together with 8706979091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8706979091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4353489546 + 4353489547.

It is an arithmetic number, because the mean of its divisors is an integer number (4353489547).

Almost surely, 28706979093 is an apocalyptic number.

It is an amenable number.

8706979093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8706979093 is an equidigital number, since it uses as much as digits as its factorization.

8706979093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 8706979093 is about 93311.1948964324. The cubic root of 8706979093 is about 2057.2599297944.

The spelling of 8706979093 in words is "eight billion, seven hundred six million, nine hundred seventy-nine thousand, ninety-three".