842687996 has 12 divisors (see below), whose sum is σ = 1475831280. Its totient is φ = 421021920.

The previous prime is 842687971. The next prime is 842687999. The reversal of 842687996 is 699786248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842687999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74585 + ... + 85136.

It is an arithmetic number, because the mean of its divisors is an integer number (122985940).

Almost surely, 2^842687996 is an apocalyptic number.

It is an amenable number.

842687996 is a deficient number, since it is larger than the sum of its proper divisors (633143284).

842687996 is a wasteful number, since it uses less digits than its factorization.

842687996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161044 (or 161042 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The square root of 842687996 is about 29029.0887903840. The cubic root of 842687996 is about 944.5441643183.

The spelling of 842687996 in words is "eight hundred forty-two million, six hundred eighty-seven thousand, nine hundred ninety-six".