9778056 has 32 divisors (see below), whose sum is σ = 24849600. Its totient is φ = 3205440.

The previous prime is 9778039. The next prime is 9778057. The reversal of 9778056 is 6508779.

It is a super-2 number, since 2×9778056² = 191220758278272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9777999 and 9778017.

It is not an unprimeable number, because it can be changed into a prime (9778057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 4803.

It is an arithmetic number, because the mean of its divisors is an integer number (776550).

Almost surely, 2^9778056 is an apocalyptic number.

It is an amenable number.

9778056 is an abundant number, since it is smaller than the sum of its proper divisors (15071544).

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

9778056 is a wasteful number, since it uses less digits than its factorization.

9778056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6749 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 9778056 is about 3126.9883274486. The cubic root of 9778056 is about 213.8376501790.

The spelling of 9778056 in words is "nine million, seven hundred seventy-eight thousand, fifty-six".