78769721114 has 32 divisors (see below), whose sum is σ = 136525568256. Its totient is φ = 33386814720.

The previous prime is 78769721113. The next prime is 78769721137. The reversal of 78769721114 is 41112796787.

It is not an unprimeable number, because it can be changed into a prime (78769721113) 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 in 15 ways as a sum of consecutive naturals, for example, 675299 + ... + 783305.

It is an arithmetic number, because the mean of its divisors is an integer number (4266424008).

Almost surely, 2^78769721114 is an apocalyptic number.

78769721114 is a deficient number, since it is larger than the sum of its proper divisors (57755847142).

78769721114 is a wasteful number, since it uses less digits than its factorization.

78769721114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108590.

The product of its digits is 1185408, while the sum is 53.

The spelling of 78769721114 in words is "seventy-eight billion, seven hundred sixty-nine million, seven hundred twenty-one thousand, one hundred fourteen".