14077978 has 16 divisors (see below), whose sum is σ = 22116096. Its totient is φ = 6708240.

The previous prime is 14077969. The next prime is 14077979. The reversal of 14077978 is 87977041.

It is not an unprimeable number, because it can be changed into a prime (14077979) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20968 + ... + 21628.

It is an arithmetic number, because the mean of its divisors is an integer number (1382256).

Almost surely, 2^14077978 is an apocalyptic number.

14077978 is a deficient number, since it is larger than the sum of its proper divisors (8038118).

14077978 is a wasteful number, since it uses less digits than its factorization.

14077978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 14077978 is about 3752.0631657796. The cubic root of 14077978 is about 241.4608697980.

The spelling of 14077978 in words is "fourteen million, seventy-seven thousand, nine hundred seventy-eight".