9006778 has 16 divisors (see below), whose sum is σ = 14872896. Its totient is φ = 4056640.

The previous prime is 9006769. The next prime is 9006793. The reversal of 9006778 is 8776009.

It is a super-2 number, since 2×9006778² = 162244099882568, which contains 22 as substring.

It is an unprimeable number.

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, 675 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (929556).

Almost surely, 2^9006778 is an apocalyptic number.

9006778 is a deficient number, since it is larger than the sum of its proper divisors (5866118).

9006778 is a wasteful number, since it uses less digits than its factorization.

9006778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 9006778 is about 3001.1294540556. The cubic root of 9006778 is about 208.0605870100.

The spelling of 9006778 in words is "nine million, six thousand, seven hundred seventy-eight".