84076075142 has 4 divisors (see below), whose sum is σ = 126114112716.
Its totient is φ = 42038037570.
The previous prime is 84076075133. The next prime is 84076075147. The reversal of 84076075142 is 24157067048.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×840760751423 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 84076075093 and 84076075102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84076075147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21019018784 + ... + 21019018787.
It is an arithmetic number, because the mean of its divisors is an integer number (31528528179).
Almost surely, 284076075142 is an apocalyptic number.
84076075142 is a deficient number, since it is larger than the sum of its proper divisors (42038037574).
84076075142 is a wasteful number, since it uses less digits than its factorization.
84076075142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42038037573.
The product of its (nonzero) digits is 376320, while the sum is 44.
The spelling of 84076075142 in words is "eighty-four billion, seventy-six million, seventy-five thousand, one hundred forty-two".