896409618722 has 6 divisors (see below), whose sum is σ = 1344616436529. Its totient is φ = 448204139880.

The previous prime is 896409618679. The next prime is 896409618737. The reversal of 896409618722 is 227816904698.

It can be written as a sum of positive squares in 2 ways, for example, as 627721859521 + 268687759201 = 792289^2 + 518351^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=669481.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 1004222 + ... + 1673702.

Almost surely, 2^896409618722 is an apocalyptic number.

896409618722 is a deficient number, since it is larger than the sum of its proper divisors (448206817807).

896409618722 is an frugal number, since it uses more digits than its factorization.

896409618722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338964 (or 669483 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 896409618722 in words is "eight hundred ninety-six billion, four hundred nine million, six hundred eighteen thousand, seven hundred twenty-two".