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85626807823 is a prime number
BaseRepresentation
bin100111110111111000…
…0010110011000001111
322012000110221112020201
41033233300112120033
52400330430322243
6103200355354331
76120624600064
oct1175760263017
9265013845221
1085626807823
1133350112087
12147182b29a7
1380c7ab72bb
1442041a0c6b
15236248b04d
hex13efc1660f

85626807823 has 2 divisors, whose sum is σ = 85626807824. Its totient is φ = 85626807822.

The previous prime is 85626807817. The next prime is 85626807869. The reversal of 85626807823 is 32870862658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85626807823 - 225 = 85593253391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85626807923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42813403911 + 42813403912.

It is an arithmetic number, because the mean of its divisors is an integer number (42813403912).

Almost surely, 285626807823 is an apocalyptic number.

85626807823 is a deficient number, since it is larger than the sum of its proper divisors (1).

85626807823 is an equidigital number, since it uses as much as digits as its factorization.

85626807823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 85626807823 in words is "eighty-five billion, six hundred twenty-six million, eight hundred seven thousand, eight hundred twenty-three".