2318789909878 has 8 divisors (see below), whose sum is σ = 3745737546768. Its totient is φ = 1070210727624.

The previous prime is 2318789909873. The next prime is 2318789909911. The reversal of 2318789909878 is 8789099878132.

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

It is a junction number, because it is equal to n+sod(n) for n = 2318789909798 and 2318789909807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318789909873) 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, 44592113626 + ... + 44592113677.

It is an arithmetic number, because the mean of its divisors is an integer number (468217193346).

Almost surely, 2^{2318789909878} is an apocalyptic number.

2318789909878 is a deficient number, since it is larger than the sum of its proper divisors (1426947636890).

2318789909878 is a wasteful number, since it uses less digits than its factorization.

2318789909878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89184227318.

The product of its (nonzero) digits is 877879296, while the sum is 79.

The spelling of 2318789909878 in words is "two trillion, three hundred eighteen billion, seven hundred eighty-nine million, nine hundred nine thousand, eight hundred seventy-eight".