897422159762 has 6 divisors (see below), whose sum is σ = 1346135249223. Its totient is φ = 448710410022.

The previous prime is 897422159729. The next prime is 897422159791. The reversal of 897422159762 is 267951224798.

It can be written as a sum of positive squares in only one way, i.e., 448711079881 + 448711079881 = 669859^2 + 669859^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=669859.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 897422159695 and 897422159704.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1004789 + ... + 1674647.

Almost surely, 2^897422159762 is an apocalyptic number.

897422159762 is a deficient number, since it is larger than the sum of its proper divisors (448713089461).

897422159762 is an frugal number, since it uses more digits than its factorization.

897422159762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339720 (or 669861 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 62.

The spelling of 897422159762 in words is "eight hundred ninety-seven billion, four hundred twenty-two million, one hundred fifty-nine thousand, seven hundred sixty-two".