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86957986967 is a prime number
BaseRepresentation
bin101000011111100011…
…0011001010010010111
322022110020210102201222
41100333012121102113
52411042221040332
6103540431240555
76165620456615
oct1207706312227
9268406712658
1086957986967
1133973575735
1214a2a07915b
13827a81ab77
1442cccba6b5
1523de289712
hex143f199497

86957986967 has 2 divisors, whose sum is σ = 86957986968. Its totient is φ = 86957986966.

The previous prime is 86957986961. The next prime is 86957987041. The reversal of 86957986967 is 76968975968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86957986967 - 26 = 86957986903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86957986891 and 86957986900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86957986961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43478993483 + 43478993484.

It is an arithmetic number, because the mean of its divisors is an integer number (43478993484).

Almost surely, 286957986967 is an apocalyptic number.

86957986967 is a deficient number, since it is larger than the sum of its proper divisors (1).

86957986967 is an equidigital number, since it uses as much as digits as its factorization.

86957986967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469035520, while the sum is 80.

The spelling of 86957986967 in words is "eighty-six billion, nine hundred fifty-seven million, nine hundred eighty-six thousand, nine hundred sixty-seven".