78923114112 has 64 divisors (see below), whose sum is σ = 218754308160. Its totient is φ = 25163888640.

The previous prime is 78923114111. The next prime is 78923114141. The reversal of 78923114112 is 21141132987.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×78923114112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78923114111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4459189 + ... + 4476852.

It is an arithmetic number, because the mean of its divisors is an integer number (3418036065).

Almost surely, 2^78923114112 is an apocalyptic number.

It is an amenable number.

78923114112 is an abundant number, since it is smaller than the sum of its proper divisors (139831194048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78923114112 is a wasteful number, since it uses less digits than its factorization.

78923114112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8936081 (or 8936069 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The spelling of 78923114112 in words is "seventy-eight billion, nine hundred twenty-three million, one hundred fourteen thousand, one hundred twelve".