78393873114 has 20 divisors (see below), whose sum is σ = 175660345674. Its totient is φ = 26131290984.

The previous prime is 78393873091. The next prime is 78393873157. The reversal of 78393873114 is 41137839387.

78393873114 is a `hidden beast` number, since 78 + 393 + 8 + 73 + 114 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58669075089 + 19724798025 = 242217^2 + 140445^2 .

It is a super-2 number, since 2×78393873114² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 241956237 + ... + 241956560.

Almost surely, 2^78393873114 is an apocalyptic number.

78393873114 is an abundant number, since it is smaller than the sum of its proper divisors (97266472560).

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

78393873114 is a wasteful number, since it uses less digits than its factorization.

78393873114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483912811 (or 483912802 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 78393873114 in words is "seventy-eight billion, three hundred ninety-three million, eight hundred seventy-three thousand, one hundred fourteen".