385503671867 has 2 divisors, whose sum is σ = 385503671868. Its totient is φ = 385503671866.

The previous prime is 385503671831. The next prime is 385503671869. The reversal of 385503671867 is 768176305583.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (768176305583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385503671867 - 2²⁶ = 385436563003 is a prime.

It is a super-2 number, since 2×385503671867² (a number of 24 digits) contains 22 as substring.

Together with 385503671869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385503671869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192751835933 + 192751835934.

It is an arithmetic number, because the mean of its divisors is an integer number (192751835934).

Almost surely, 2^385503671867 is an apocalyptic number.

385503671867 is a deficient number, since it is larger than the sum of its proper divisors (1).

385503671867 is an equidigital number, since it uses as much as digits as its factorization.

385503671867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 385503671867 in words is "three hundred eighty-five billion, five hundred three million, six hundred seventy-one thousand, eight hundred sixty-seven".