2318422779855 has 384 divisors, whose sum is σ = 5244645998592. Its totient is φ = 956431577088.

The previous prime is 2318422779839. The next prime is 2318422779857. The reversal of 2318422779855 is 5589772248132.

2318422779855 is a `hidden beast` number, since 2 + 3 + 1 + 8 + 422 + 77 + 98 + 55 = 666.

It is not a de Polignac number, because 2318422779855 - 2⁴ = 2318422779839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 2318422779792 and 2318422779801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318422779857) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2244358419 + ... + 2244359451.

It is an arithmetic number, because the mean of its divisors is an integer number (13657932288).

Almost surely, 2^{2318422779855} is an apocalyptic number.

2318422779855 is an abundant number, since it is smaller than the sum of its proper divisors (2926223218737).

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

2318422779855 is a wasteful number, since it uses less digits than its factorization.

2318422779855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1497 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The spelling of 2318422779855 in words is "two trillion, three hundred eighteen billion, four hundred twenty-two million, seven hundred seventy-nine thousand, eight hundred fifty-five".