84868582523 has 2 divisors, whose sum is σ = 84868582524. Its totient is φ = 84868582522.

The previous prime is 84868582489. The next prime is 84868582549. The reversal of 84868582523 is 32528586848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84868582523 - 2¹² = 84868578427 is a prime.

It is a super-2 number, since 2×84868582523² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84868582573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42434291261 + 42434291262.

It is an arithmetic number, because the mean of its divisors is an integer number (42434291262).

Almost surely, 2^84868582523 is an apocalyptic number.

84868582523 is a deficient number, since it is larger than the sum of its proper divisors (1).

84868582523 is an equidigital number, since it uses as much as digits as its factorization.

84868582523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29491200, while the sum is 59.

The spelling of 84868582523 in words is "eighty-four billion, eight hundred sixty-eight million, five hundred eighty-two thousand, five hundred twenty-three".