14766745978 has 4 divisors (see below), whose sum is σ = 22150118970. Its totient is φ = 7383372988.

The previous prime is 14766745967. The next prime is 14766746009. The reversal of 14766745978 is 87954766741.

14766745978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10811216529 + 3955529449 = 103977^2 + 62893^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3691686493 + ... + 3691686496.

Almost surely, 2^14766745978 is an apocalyptic number.

14766745978 is a deficient number, since it is larger than the sum of its proper divisors (7383372992).

14766745978 is an equidigital number, since it uses as much as digits as its factorization.

14766745978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383372991.

The product of its digits is 71124480, while the sum is 64.

The spelling of 14766745978 in words is "fourteen billion, seven hundred sixty-six million, seven hundred forty-five thousand, nine hundred seventy-eight".