9409678356 has 24 divisors (see below), whose sum is σ = 23644833184. Its totient is φ = 2895285600.

The previous prime is 9409678331. The next prime is 9409678357. The reversal of 9409678356 is 6538769049.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9409678296 and 9409678305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9409678357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30159070 + ... + 30159381.

Almost surely, 2^9409678356 is an apocalyptic number.

It is an amenable number.

9409678356 is an abundant number, since it is smaller than the sum of its proper divisors (14235154828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9409678356 is a wasteful number, since it uses less digits than its factorization.

9409678356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60318471 (or 60318469 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 9409678356 is about 97003.4966173900. The cubic root of 9409678356 is about 2111.1783626390.

The spelling of 9409678356 in words is "nine billion, four hundred nine million, six hundred seventy-eight thousand, three hundred fifty-six".