376199991 has 16 divisors (see below), whose sum is σ = 570296320. Its totient is φ = 244966680.

The previous prime is 376199959. The next prime is 376200023. The reversal of 376199991 is 199991673.

It is an interprime number because it is at equal distance from previous prime (376199959) and next prime (376200023).

It is not a de Polignac number, because 376199991 - 2⁵ = 376199959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376199491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160855 + ... + 163176.

It is an arithmetic number, because the mean of its divisors is an integer number (35643520).

Almost surely, 2^376199991 is an apocalyptic number.

376199991 is a deficient number, since it is larger than the sum of its proper divisors (194096329).

376199991 is a wasteful number, since it uses less digits than its factorization.

376199991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324083 (or 324077 counting only the distinct ones).

The product of its digits is 826686, while the sum is 54.

The square root of 376199991 is about 19395.8756182855. The cubic root of 376199991 is about 721.8931601436.

The spelling of 376199991 in words is "three hundred seventy-six million, one hundred ninety-nine thousand, nine hundred ninety-one".