842379843 has 8 divisors (see below), whose sum is σ = 1126185808. Its totient is φ = 560080224.

The previous prime is 842379841. The next prime is 842379859. The reversal of 842379843 is 348973248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 842379843 - 2¹ = 842379841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842379792 and 842379801.

It is not an unprimeable number, because it can be changed into a prime (842379841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375280 + ... + 377517.

It is an arithmetic number, because the mean of its divisors is an integer number (140773226).

Almost surely, 2^842379843 is an apocalyptic number.

842379843 is a deficient number, since it is larger than the sum of its proper divisors (283805965).

842379843 is a wasteful number, since it uses less digits than its factorization.

842379843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753173.

The product of its digits is 1161216, while the sum is 48.

The square root of 842379843 is about 29023.7806462218. The cubic root of 842379843 is about 944.4290170731.

The spelling of 842379843 in words is "eight hundred forty-two million, three hundred seventy-nine thousand, eight hundred forty-three".