888109493 has 2 divisors, whose sum is σ = 888109494. Its totient is φ = 888109492.

The previous prime is 888109489. The next prime is 888109501. The reversal of 888109493 is 394901888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705805489 + 182304004 = 26567^2 + 13502^2 .

It is a cyclic number.

It is not a de Polignac number, because 888109493 - 2² = 888109489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888109423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444054746 + 444054747.

It is an arithmetic number, because the mean of its divisors is an integer number (444054747).

Almost surely, 2^888109493 is an apocalyptic number.

It is an amenable number.

888109493 is a deficient number, since it is larger than the sum of its proper divisors (1).

888109493 is an equidigital number, since it uses as much as digits as its factorization.

888109493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 888109493 is about 29801.1659671228. The cubic root of 888109493 is about 961.2186105168.

The spelling of 888109493 in words is "eight hundred eighty-eight million, one hundred nine thousand, four hundred ninety-three".