84167588012 has 12 divisors (see below), whose sum is σ = 151274178720. Its totient is φ = 40946394096.

The previous prime is 84167588003. The next prime is 84167588039. The reversal of 84167588012 is 21088576148.

It is a super-2 number, since 2×84167588012² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 284349812 + ... + 284350107.

It is an arithmetic number, because the mean of its divisors is an integer number (12606181560).

Almost surely, 2^84167588012 is an apocalyptic number.

It is an amenable number.

84167588012 is a deficient number, since it is larger than the sum of its proper divisors (67106590708).

84167588012 is a wasteful number, since it uses less digits than its factorization.

84167588012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568699960 (or 568699958 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 84167588012 in words is "eighty-four billion, one hundred sixty-seven million, five hundred eighty-eight thousand, twelve".