78468157368142 has 8 divisors (see below), whose sum is σ = 117810517781376. Its totient is φ = 39197984774352.

The previous prime is 78468157368137. The next prime is 78468157368149. The reversal of 78468157368142 is 24186375186487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78468157368149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18046952143 + ... + 18046956490.

It is an arithmetic number, because the mean of its divisors is an integer number (14726314722672).

Almost surely, 2^{78468157368142} is an apocalyptic number.

78468157368142 is a deficient number, since it is larger than the sum of its proper divisors (39342360413234).

78468157368142 is a wasteful number, since it uses less digits than its factorization.

78468157368142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36093909722.

The product of its digits is 433520640, while the sum is 70.

The spelling of 78468157368142 in words is "seventy-eight trillion, four hundred sixty-eight billion, one hundred fifty-seven million, three hundred sixty-eight thousand, one hundred forty-two".