842248564 has 6 divisors (see below), whose sum is σ = 1473934994. Its totient is φ = 421124280.

The previous prime is 842248553. The next prime is 842248573. The reversal of 842248564 is 465842248.

842248564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 701826064 + 140422500 = 26492^2 + 11850^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 842248564.

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, 105281067 + ... + 105281074.

Almost surely, 2^842248564 is an apocalyptic number.

It is an amenable number.

842248564 is a deficient number, since it is larger than the sum of its proper divisors (631686430).

842248564 is a wasteful number, since it uses less digits than its factorization.

842248564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210562145 (or 210562143 counting only the distinct ones).

The product of its digits is 491520, while the sum is 43.

The square root of 842248564 is about 29021.5189816109. The cubic root of 842248564 is about 944.3799536412.

The spelling of 842248564 in words is "eight hundred forty-two million, two hundred forty-eight thousand, five hundred sixty-four".