842880319 has 2 divisors, whose sum is σ = 842880320. Its totient is φ = 842880318.

The previous prime is 842880317. The next prime is 842880329. The reversal of 842880319 is 913088248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842880319 - 2¹ = 842880317 is a prime.

It is a super-2 number, since 2×842880319² = 1420894464315083522, which contains 22 as substring.

Together with 842880317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842880317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421440159 + 421440160.

It is an arithmetic number, because the mean of its divisors is an integer number (421440160).

Almost surely, 2^842880319 is an apocalyptic number.

842880319 is a deficient number, since it is larger than the sum of its proper divisors (1).

842880319 is an equidigital number, since it uses as much as digits as its factorization.

842880319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 842880319 is about 29032.4011924608. The cubic root of 842880319 is about 944.6160152486.

The spelling of 842880319 in words is "eight hundred forty-two million, eight hundred eighty thousand, three hundred nineteen".