888694013 has 2 divisors, whose sum is σ = 888694014. Its totient is φ = 888694012.

The previous prime is 888693997. The next prime is 888694039. The reversal of 888694013 is 310496888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735602884 + 153091129 = 27122^2 + 12373^2 .

It is a cyclic number.

It is not a de Polignac number, because 888694013 - 2⁴ = 888693997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888694063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444347006 + 444347007.

It is an arithmetic number, because the mean of its divisors is an integer number (444347007).

Almost surely, 2^888694013 is an apocalyptic number.

It is an amenable number.

888694013 is a deficient number, since it is larger than the sum of its proper divisors (1).

888694013 is an equidigital number, since it uses as much as digits as its factorization.

888694013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 888694013 is about 29810.9713528426. The cubic root of 888694013 is about 961.4294434860.

The spelling of 888694013 in words is "eight hundred eighty-eight million, six hundred ninety-four thousand, thirteen".