888920617 has 4 divisors (see below), whose sum is σ = 957299140. Its totient is φ = 820542096.

The previous prime is 888920573. The next prime is 888920677. The reversal of 888920617 is 716029888.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 378341401 + 510579216 = 19451^2 + 22596^2 .

It is a cyclic number.

It is not a de Polignac number, because 888920617 - 2¹⁹ = 888396329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (888920677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34189242 + ... + 34189267.

It is an arithmetic number, because the mean of its divisors is an integer number (239324785).

Almost surely, 2^888920617 is an apocalyptic number.

It is an amenable number.

888920617 is a deficient number, since it is larger than the sum of its proper divisors (68378523).

888920617 is a wasteful number, since it uses less digits than its factorization.

888920617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68378522.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 888920617 is about 29814.7717918484. The cubic root of 888920617 is about 961.5111533658.

The spelling of 888920617 in words is "eight hundred eighty-eight million, nine hundred twenty thousand, six hundred seventeen".