78645183112078 has 8 divisors (see below), whose sum is σ = 128692117819800. Its totient is φ = 35747810505480.

The previous prime is 78645183112073. The next prime is 78645183112087. The reversal of 78645183112078 is 87021138154687.

It is a happy number.

78645183112078 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (78645183112073) 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, 1787390525253 + ... + 1787390525296.

It is an arithmetic number, because the mean of its divisors is an integer number (16086514727475).

Almost surely, 2^{78645183112078} is an apocalyptic number.

78645183112078 is a deficient number, since it is larger than the sum of its proper divisors (50046934707722).

78645183112078 is a wasteful number, since it uses less digits than its factorization.

78645183112078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574781050562.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 78645183112078 in words is "seventy-eight trillion, six hundred forty-five billion, one hundred eighty-three million, one hundred twelve thousand, seventy-eight".