84238837212 has 24 divisors (see below), whose sum is σ = 197140552336. Its totient is φ = 27996288768.

The previous prime is 84238837153. The next prime is 84238837231. The reversal of 84238837212 is 21273883248.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10411243 + ... + 10419330.

Almost surely, 2^84238837212 is an apocalyptic number.

It is an amenable number.

84238837212 is an abundant number, since it is smaller than the sum of its proper divisors (112901715124).

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

84238837212 is a wasteful number, since it uses less digits than its factorization.

84238837212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20830917 (or 20830915 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The spelling of 84238837212 in words is "eighty-four billion, two hundred thirty-eight million, eight hundred thirty-seven thousand, two hundred twelve".