846120971522 has 18 divisors (see below), whose sum is σ = 1287449560137. Its totient is φ = 417056357200.

The previous prime is 846120971503. The next prime is 846120971533. The reversal of 846120971522 is 225179021648.

It can be written as a sum of positive squares in 2 ways, for example, as 821921746801 + 24199224721 = 906599^2 + 155561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=650431.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92356622 + ... + 92365782.

Almost surely, 2^846120971522 is an apocalyptic number.

846120971522 is a deficient number, since it is larger than the sum of its proper divisors (441328588615).

846120971522 is an frugal number, since it uses more digits than its factorization.

846120971522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466 (or 9234 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 846120971522 in words is "eight hundred forty-six billion, one hundred twenty million, nine hundred seventy-one thousand, five hundred twenty-two".