8505120246 has 64 divisors (see below), whose sum is σ = 19800308736. Its totient is φ = 2385331200.

The previous prime is 8505120229. The next prime is 8505120287. The reversal of 8505120246 is 6420215058.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 688686 + ... + 700926.

It is an arithmetic number, because the mean of its divisors is an integer number (309379824).

Almost surely, 2^8505120246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8505120246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9900154368).

8505120246 is an abundant number, since it is smaller than the sum of its proper divisors (11295188490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505120246 is a wasteful number, since it uses less digits than its factorization.

8505120246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 8505120246 is about 92223.2088251108. The cubic root of 8505120246 is about 2041.2372545509.

The spelling of 8505120246 in words is "eight billion, five hundred five million, one hundred twenty thousand, two hundred forty-six".