78014734066 has 4 divisors (see below), whose sum is σ = 117022101102. Its totient is φ = 39007367032.

The previous prime is 78014734043. The next prime is 78014734067. The reversal of 78014734066 is 66043741087.

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., 58464822025 + 19549912041 = 241795^2 + 139821^2 .

It is not an unprimeable number, because it can be changed into a prime (78014734067) by changing a digit.

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, 19503683515 + ... + 19503683518.

Almost surely, 2^78014734066 is an apocalyptic number.

78014734066 is a deficient number, since it is larger than the sum of its proper divisors (39007367036).

78014734066 is a wasteful number, since it uses less digits than its factorization.

78014734066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39007367035.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 78014734066 in words is "seventy-eight billion, fourteen million, seven hundred thirty-four thousand, sixty-six".