86857543007 has 2 divisors, whose sum is σ = 86857543008. Its totient is φ = 86857543006.

The previous prime is 86857543001. The next prime is 86857543021. The reversal of 86857543007 is 70034575868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86857543007 - 2⁴ = 86857542991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86857543007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86857543001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43428771503 + 43428771504.

It is an arithmetic number, because the mean of its divisors is an integer number (43428771504).

Almost surely, 2^86857543007 is an apocalyptic number.

86857543007 is a deficient number, since it is larger than the sum of its proper divisors (1).

86857543007 is an equidigital number, since it uses as much as digits as its factorization.

86857543007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 86857543007 in words is "eighty-six billion, eight hundred fifty-seven million, five hundred forty-three thousand, seven".