78853131745422 has 32 divisors (see below), whose sum is σ = 161873936421120. Its totient is φ = 25592314130880.

The previous prime is 78853131745417. The next prime is 78853131745469. The reversal of 78853131745422 is 22454713135887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318505672 + ... + 318753147.

It is an arithmetic number, because the mean of its divisors is an integer number (5058560513160).

Almost surely, 2^{78853131745422} is an apocalyptic number.

78853131745422 is an abundant number, since it is smaller than the sum of its proper divisors (83020804675698).

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

78853131745422 is a wasteful number, since it uses less digits than its factorization.

78853131745422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637259368.

The product of its digits is 45158400, while the sum is 60.

The spelling of 78853131745422 in words is "seventy-eight trillion, eight hundred fifty-three billion, one hundred thirty-one million, seven hundred forty-five thousand, four hundred twenty-two".