9676778 has 8 divisors (see below), whose sum is σ = 15015780. Its totient is φ = 4671520.

The previous prime is 9676753. The next prime is 9676787. The reversal of 9676778 is 8776769.

It can be written as a sum of positive squares in 2 ways, for example, as 9467929 + 208849 = 3077^2 + 457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9676778² = 187280064922568, which contains 22 as substring.

It is an Ulam number.

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, 83363 + ... + 83478.

Almost surely, 2^9676778 is an apocalyptic number.

9676778 is a deficient number, since it is larger than the sum of its proper divisors (5339002).

9676778 is a wasteful number, since it uses less digits than its factorization.

9676778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166872.

The product of its digits is 889056, while the sum is 50.

The square root of 9676778 is about 3110.7519991153. The cubic root of 9676778 is about 213.0967989276.

Subtracting from 9676778 its reverse (8776769), we obtain a palindrome (900009).

The spelling of 9676778 in words is "nine million, six hundred seventy-six thousand, seven hundred seventy-eight".