9778229846 has 32 divisors (see below), whose sum is σ = 18314415360. Its totient is φ = 3803896800.

The previous prime is 9778229833. The next prime is 9778229887. The reversal of 9778229846 is 6489228779.

It is a super-2 number, since 2×9778229846² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53765 + ... + 149823.

It is an arithmetic number, because the mean of its divisors is an integer number (572325480).

Almost surely, 2^9778229846 is an apocalyptic number.

9778229846 is a deficient number, since it is larger than the sum of its proper divisors (8536185514).

9778229846 is a wasteful number, since it uses less digits than its factorization.

9778229846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96740.

The product of its digits is 24385536, while the sum is 62.

The square root of 9778229846 is about 98884.9323506873. The cubic root of 9778229846 is about 2138.3891745880.

The spelling of 9778229846 in words is "nine billion, seven hundred seventy-eight million, two hundred twenty-nine thousand, eight hundred forty-six".