379899911 has 4 divisors (see below), whose sum is σ = 380777712. Its totient is φ = 379022112.

The previous prime is 379899907. The next prime is 379899931. The reversal of 379899911 is 119998973.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 379899911 - 2² = 379899907 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 (379899931) 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, 438251 + ... + 439116.

It is an arithmetic number, because the mean of its divisors is an integer number (95194428).

Almost surely, 2^379899911 is an apocalyptic number.

379899911 is a deficient number, since it is larger than the sum of its proper divisors (877801).

379899911 is an equidigital number, since it uses as much as digits as its factorization.

379899911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877800.

The product of its digits is 1102248, while the sum is 56.

The square root of 379899911 is about 19491.0212918667. The cubic root of 379899911 is about 724.2520457526.

The spelling of 379899911 in words is "three hundred seventy-nine million, eight hundred ninety-nine thousand, nine hundred eleven".