84835254242 has 4 divisors (see below), whose sum is σ = 127252881366. Its totient is φ = 42417627120.

The previous prime is 84835254221. The next prime is 84835254247. The reversal of 84835254242 is 24245253848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76044129121 + 8791125121 = 275761^2 + 93761^2 .

It is not an unprimeable number, because it can be changed into a prime (84835254247) by changing a digit.

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 as a sum of consecutive naturals, namely, 21208813559 + ... + 21208813562.

Almost surely, 2^84835254242 is an apocalyptic number.

84835254242 is a deficient number, since it is larger than the sum of its proper divisors (42417627124).

84835254242 is a wasteful number, since it uses less digits than its factorization.

84835254242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42417627123.

The product of its digits is 2457600, while the sum is 47.

The spelling of 84835254242 in words is "eighty-four billion, eight hundred thirty-five million, two hundred fifty-four thousand, two hundred forty-two".