10778978 has 8 divisors (see below), whose sum is σ = 18478272. Its totient is φ = 4619556.

The previous prime is 10778959. The next prime is 10778983. The reversal of 10778978 is 87987701.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384950 + ... + 384977.

It is an arithmetic number, because the mean of its divisors is an integer number (2309784).

Almost surely, 2^10778978 is an apocalyptic number.

10778978 is a deficient number, since it is larger than the sum of its proper divisors (7699294).

10778978 is an equidigital number, since it uses as much as digits as its factorization.

10778978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769936.

The product of its (nonzero) digits is 197568, while the sum is 47.

The square root of 10778978 is about 3283.1353916645. The cubic root of 10778978 is about 220.8983787824.

The spelling of 10778978 in words is "ten million, seven hundred seventy-eight thousand, nine hundred seventy-eight".