100085418427 has 2 divisors, whose sum is σ = 100085418428. Its totient is φ = 100085418426.

The previous prime is 100085418409. The next prime is 100085418439. The reversal of 100085418427 is 724814580001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100085418427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100085418427.

It is not a weakly prime, because it can be changed into another prime (100085418527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50042709213 + 50042709214.

It is an arithmetic number, because the mean of its divisors is an integer number (50042709214).

Almost surely, 2^100085418427 is an apocalyptic number.

100085418427 is a deficient number, since it is larger than the sum of its proper divisors (1).

100085418427 is an equidigital number, since it uses as much as digits as its factorization.

100085418427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 40.

Adding to 100085418427 its reverse (724814580001), we get a palindrome (824899998428).

The spelling of 100085418427 in words is "one hundred billion, eighty-five million, four hundred eighteen thousand, four hundred twenty-seven".