9478782344 has 16 divisors (see below), whose sum is σ = 18818171100. Its totient is φ = 4460603392.

The previous prime is 9478782337. The next prime is 9478782409. The reversal of 9478782344 is 4432878749.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8001302500 + 1477479844 = 89450^2 + 38438^2 .

It is a super-2 number, since 2×9478782344² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9478782344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34848329 + ... + 34848600.

Almost surely, 2^9478782344 is an apocalyptic number.

It is an amenable number.

9478782344 is a deficient number, since it is larger than the sum of its proper divisors (9339388756).

9478782344 is a wasteful number, since it uses less digits than its factorization.

9478782344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69696952 (or 69696948 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The square root of 9478782344 is about 97359.0383272144. The cubic root of 9478782344 is about 2116.3338756303. Note that the first 3 decimals are identical.

The spelling of 9478782344 in words is "nine billion, four hundred seventy-eight million, seven hundred eighty-two thousand, three hundred forty-four".