842647612 has 6 divisors (see below), whose sum is σ = 1474633328. Its totient is φ = 421323804.

The previous prime is 842647601. The next prime is 842647649. The reversal of 842647612 is 216746248.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105330948 + ... + 105330955.

Almost surely, 2^842647612 is an apocalyptic number.

It is an amenable number.

842647612 is a deficient number, since it is larger than the sum of its proper divisors (631985716).

842647612 is a wasteful number, since it uses less digits than its factorization.

842647612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210661907 (or 210661905 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 842647612 is about 29028.3932038961. The cubic root of 842647612 is about 944.5290756650.

The spelling of 842647612 in words is "eight hundred forty-two million, six hundred forty-seven thousand, six hundred twelve".