997959119 has 4 divisors (see below), whose sum is σ = 1002434496. Its totient is φ = 993483744.

The previous prime is 997959113. The next prime is 997959139. The reversal of 997959119 is 911959799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911959799 = 941 ⋅969139.

It is a cyclic number.

It is not a de Polignac number, because 997959119 - 2⁴ = 997959103 is a prime.

It is a super-2 number, since 2×997959119² = 1991844806390512322, which contains 22 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 (997959113) 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, 2237354 + ... + 2237799.

It is an arithmetic number, because the mean of its divisors is an integer number (250608624).

Almost surely, 2^997959119 is an apocalyptic number.

997959119 is a deficient number, since it is larger than the sum of its proper divisors (4475377).

997959119 is a wasteful number, since it uses less digits than its factorization.

997959119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475376.

The product of its digits is 2066715, while the sum is 59.

The square root of 997959119 is about 31590.4909585147. The cubic root of 997959119 is about 999.3192430084.

The spelling of 997959119 in words is "nine hundred ninety-seven million, nine hundred fifty-nine thousand, one hundred nineteen".