86575569923 has 2 divisors, whose sum is σ = 86575569924. Its totient is φ = 86575569922.

The previous prime is 86575569901. The next prime is 86575569943. The reversal of 86575569923 is 32996557568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86575569923 - 2⁸ = 86575569667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86575569923.

It is not a weakly prime, because it can be changed into another prime (86575569943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43287784961 + 43287784962.

It is an arithmetic number, because the mean of its divisors is an integer number (43287784962).

Almost surely, 2^86575569923 is an apocalyptic number.

86575569923 is a deficient number, since it is larger than the sum of its proper divisors (1).

86575569923 is an equidigital number, since it uses as much as digits as its factorization.

86575569923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472000, while the sum is 65.

The spelling of 86575569923 in words is "eighty-six billion, five hundred seventy-five million, five hundred sixty-nine thousand, nine hundred twenty-three".