28317961070922 has 32 divisors (see below), whose sum is σ = 56762795965824. Its totient is φ = 9418181947200.

The previous prime is 28317961070849. The next prime is 28317961070933. The reversal of 28317961070922 is 22907016971382.

It is a happy number.

It is a super-2 number, since 2×28317961070922² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14822772 + ... + 16623792.

It is an arithmetic number, because the mean of its divisors is an integer number (1773837373932).

Almost surely, 2^{28317961070922} is an apocalyptic number.

28317961070922 is an abundant number, since it is smaller than the sum of its proper divisors (28444834894902).

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

28317961070922 is a wasteful number, since it uses less digits than its factorization.

28317961070922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806894.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 28317961070922 in words is "twenty-eight trillion, three hundred seventeen billion, nine hundred sixty-one million, seventy thousand, nine hundred twenty-two".