84484750178 has 4 divisors (see below), whose sum is σ = 126727125270. Its totient is φ = 42242375088.

The previous prime is 84484750169. The next prime is 84484750243. The reversal of 84484750178 is 87105748448.

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., 84479166409 + 5583769 = 290653^2 + 2363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121187543 + ... + 21121187546.

Almost surely, 2^84484750178 is an apocalyptic number.

84484750178 is a deficient number, since it is larger than the sum of its proper divisors (42242375092).

84484750178 is a wasteful number, since it uses less digits than its factorization.

84484750178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42242375091.

The product of its (nonzero) digits is 8028160, while the sum is 56.

The spelling of 84484750178 in words is "eighty-four billion, four hundred eighty-four million, seven hundred fifty thousand, one hundred seventy-eight".