85502048378 has 8 divisors (see below), whose sum is σ = 128254364820. Its totient is φ = 42750593440.

The previous prime is 85502048377. The next prime is 85502048419. The reversal of 85502048378 is 87384020558.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73944293329 + 11557755049 = 271927^2 + 107507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85502048377) 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 in 3 ways as a sum of consecutive naturals, for example, 172328 + ... + 447996.

Almost surely, 2^85502048378 is an apocalyptic number.

85502048378 is a deficient number, since it is larger than the sum of its proper divisors (42752316442).

85502048378 is a wasteful number, since it uses less digits than its factorization.

85502048378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430752.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 85502048378 in words is "eighty-five billion, five hundred two million, forty-eight thousand, three hundred seventy-eight".