842792087 has 2 divisors, whose sum is σ = 842792088. Its totient is φ = 842792086.

The previous prime is 842792077. The next prime is 842792107. The reversal of 842792087 is 780297248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842792087 - 2¹² = 842787991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842792047) 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, 421396043 + 421396044.

It is an arithmetic number, because the mean of its divisors is an integer number (421396044).

Almost surely, 2^842792087 is an apocalyptic number.

842792087 is a deficient number, since it is larger than the sum of its proper divisors (1).

842792087 is an equidigital number, since it uses as much as digits as its factorization.

842792087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 842792087 is about 29030.8816090728. The cubic root of 842792087 is about 944.5830535628.

The spelling of 842792087 in words is "eight hundred forty-two million, seven hundred ninety-two thousand, eighty-seven".