4111897687 has 2 divisors, whose sum is σ = 4111897688. Its totient is φ = 4111897686.

The previous prime is 4111897637. The next prime is 4111897693. The reversal of 4111897687 is 7867981114.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4111897687 - 2¹¹ = 4111895639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4111897607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055948843 + 2055948844.

It is an arithmetic number, because the mean of its divisors is an integer number (2055948844).

Almost surely, 2^4111897687 is an apocalyptic number.

4111897687 is a deficient number, since it is larger than the sum of its proper divisors (1).

4111897687 is an equidigital number, since it uses as much as digits as its factorization.

4111897687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 52.

The square root of 4111897687 is about 64124.0803988642. The cubic root of 4111897687 is about 1602.0673389961.

The spelling of 4111897687 in words is "four billion, one hundred eleven million, eight hundred ninety-seven thousand, six hundred eighty-seven".