992017199 has 2 divisors, whose sum is σ = 992017200. Its totient is φ = 992017198.

The previous prime is 992017111. The next prime is 992017219. The reversal of 992017199 is 991710299.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 992017199 - 2²⁴ = 975239983 is a prime.

It is a super-2 number, since 2×992017199² = 1968196246223611202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992019199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496008599 + 496008600.

It is an arithmetic number, because the mean of its divisors is an integer number (496008600).

Almost surely, 2^992017199 is an apocalyptic number.

992017199 is a deficient number, since it is larger than the sum of its proper divisors (1).

992017199 is an equidigital number, since it uses as much as digits as its factorization.

992017199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 47.

The square root of 992017199 is about 31496.3045292618. The cubic root of 992017199 is about 997.3319541957.

The spelling of 992017199 in words is "nine hundred ninety-two million, seventeen thousand, one hundred ninety-nine".