842811472 has 10 divisors (see below), whose sum is σ = 1632947258. Its totient is φ = 421405728.

The previous prime is 842811469. The next prime is 842811491. The reversal of 842811472 is 274118248.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 650046016 + 192765456 = 25496^2 + 13884^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26337843 + ... + 26337874.

Almost surely, 2^842811472 is an apocalyptic number.

It is an amenable number.

842811472 is a deficient number, since it is larger than the sum of its proper divisors (790135786).

842811472 is a wasteful number, since it uses less digits than its factorization.

842811472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52675725 (or 52675719 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 842811472 is about 29031.2154757599. The cubic root of 842811472 is about 944.5902956029.

It can be divided in two parts, 8428 and 11472, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 842811472 in words is "eight hundred forty-two million, eight hundred eleven thousand, four hundred seventy-two".