10805978 has 8 divisors (see below), whose sum is σ = 16236180. Its totient is φ = 5393920.

The previous prime is 10805969. The next prime is 10805981. The reversal of 10805978 is 87950801.

10805978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10778089 + 27889 = 3283^2 + 167^2 .

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933 + ... + 5496.

Almost surely, 2^10805978 is an apocalyptic number.

10805978 is a deficient number, since it is larger than the sum of its proper divisors (5430202).

10805978 is an equidigital number, since it uses as much as digits as its factorization.

10805978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 10805978 is about 3287.2447429420. The cubic root of 10805978 is about 221.0826659891.

The spelling of 10805978 in words is "ten million, eight hundred five thousand, nine hundred seventy-eight".