84050069812 has 6 divisors (see below), whose sum is σ = 147087622178. Its totient is φ = 42025034904.

The previous prime is 84050069717. The next prime is 84050069813. The reversal of 84050069812 is 21896005048.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72552654736 + 11497415076 = 269356^2 + 107226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84050069813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506258723 + ... + 10506258730.

Almost surely, 2^84050069812 is an apocalyptic number.

It is an amenable number.

84050069812 is a deficient number, since it is larger than the sum of its proper divisors (63037552366).

84050069812 is a wasteful number, since it uses less digits than its factorization.

84050069812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21012517457 (or 21012517455 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 84050069812 in words is "eighty-four billion, fifty million, sixty-nine thousand, eight hundred twelve".