842792039 has 2 divisors, whose sum is σ = 842792040. Its totient is φ = 842792038.

The previous prime is 842792021. The next prime is 842792047. The reversal of 842792039 is 930297248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842792039 - 2¹² = 842787943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842792239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421396019 + 421396020.

It is an arithmetic number, because the mean of its divisors is an integer number (421396020).

Almost surely, 2^842792039 is an apocalyptic number.

842792039 is a deficient number, since it is larger than the sum of its proper divisors (1).

842792039 is an equidigital number, since it uses as much as digits as its factorization.

842792039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 842792039 is about 29030.8807823669. The cubic root of 842792039 is about 944.5830356304.

The spelling of 842792039 in words is "eight hundred forty-two million, seven hundred ninety-two thousand, thirty-nine".