11670778 has 16 divisors (see below), whose sum is σ = 20067840. Its totient is φ = 4986576.

The previous prime is 11670733. The next prime is 11670779. The reversal of 11670778 is 87707611.

11670778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11670779) 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, 4375 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (1254240).

Almost surely, 2^11670778 is an apocalyptic number.

11670778 is a deficient number, since it is larger than the sum of its proper divisors (8397062).

11670778 is a wasteful number, since it uses less digits than its factorization.

11670778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 16464, while the sum is 37.

The square root of 11670778 is about 3416.2520398823. The cubic root of 11670778 is about 226.8297092036.

The spelling of 11670778 in words is "eleven million, six hundred seventy thousand, seven hundred seventy-eight".