84318511422 has 32 divisors (see below), whose sum is σ = 170351241984. Its totient is φ = 27821865600.

The previous prime is 84318511393. The next prime is 84318511423. The reversal of 84318511422 is 22411581348.

It is a super-2 number, since 2×84318511422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84318511423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66897 + ... + 416067.

It is an arithmetic number, because the mean of its divisors is an integer number (5323476312).

Almost surely, 2^84318511422 is an apocalyptic number.

84318511422 is an abundant number, since it is smaller than the sum of its proper divisors (86032730562).

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

84318511422 is a wasteful number, since it uses less digits than its factorization.

84318511422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349584.

The product of its digits is 61440, while the sum is 39.

The spelling of 84318511422 in words is "eighty-four billion, three hundred eighteen million, five hundred eleven thousand, four hundred twenty-two".