42379811 has 16 divisors (see below), whose sum is σ = 44782848. Its totient is φ = 40068000.

The previous prime is 42379781. The next prime is 42379847. The reversal of 42379811 is 11897324.

It is a cyclic number.

It is not a de Polignac number, because 42379811 - 2¹⁸ = 42117667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42379871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280586 + ... + 280736.

It is an arithmetic number, because the mean of its divisors is an integer number (2798928).

Almost surely, 2^42379811 is an apocalyptic number.

42379811 is a deficient number, since it is larger than the sum of its proper divisors (2403037).

42379811 is a wasteful number, since it uses less digits than its factorization.

42379811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its digits is 12096, while the sum is 35.

The square root of 42379811 is about 6509.9778033416. The cubic root of 42379811 is about 348.6473258813.

The spelling of 42379811 in words is "forty-two million, three hundred seventy-nine thousand, eight hundred eleven".