997888083 has 8 divisors (see below), whose sum is σ = 1408783248. Its totient is φ = 626125824.

The previous prime is 997888079. The next prime is 997888091. The reversal of 997888083 is 380888799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 997888083 - 2² = 997888079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997888183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9783166 + ... + 9783267.

It is an arithmetic number, because the mean of its divisors is an integer number (176097906).

Almost surely, 2^997888083 is an apocalyptic number.

997888083 is a deficient number, since it is larger than the sum of its proper divisors (410895165).

997888083 is a wasteful number, since it uses less digits than its factorization.

997888083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19566453.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The square root of 997888083 is about 31589.3666128335. The cubic root of 997888083 is about 999.2955315073.

The spelling of 997888083 in words is "nine hundred ninety-seven million, eight hundred eighty-eight thousand, eighty-three".