888888997 has 4 divisors (see below), whose sum is σ = 891210240. Its totient is φ = 886567756.

The previous prime is 888888983. The next prime is 888889031. The reversal of 888888997 is 799888888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 888888997 - 2¹¹ = 888886949 is a prime.

It is a super-3 number, since 3×888888997³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888888907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160047 + ... + 1160812.

It is an arithmetic number, because the mean of its divisors is an integer number (222802560).

Almost surely, 2^888888997 is an apocalyptic number.

It is an amenable number.

888888997 is a deficient number, since it is larger than the sum of its proper divisors (2321243).

888888997 is a wasteful number, since it uses less digits than its factorization.

888888997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321242.

The product of its digits is 148635648, while the sum is 73.

The square root of 888888997 is about 29814.2415130756. The cubic root of 888888997 is about 961.4997525191.

The spelling of 888888997 in words is "eight hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred ninety-seven".