897401189746 has 4 divisors (see below), whose sum is σ = 1346101784622. Its totient is φ = 448700594872.

The previous prime is 897401189717. The next prime is 897401189747. The reversal of 897401189746 is 647981104798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 589585944025 + 307815245721 = 767845^2 + 554811^2 .

It is not an unprimeable number, because it can be changed into a prime (897401189747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224350297435 + ... + 224350297438.

Almost surely, 2^897401189746 is an apocalyptic number.

897401189746 is a deficient number, since it is larger than the sum of its proper divisors (448700594876).

897401189746 is a wasteful number, since it uses less digits than its factorization.

897401189746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448700594875.

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 897401189746 in words is "eight hundred ninety-seven billion, four hundred one million, one hundred eighty-nine thousand, seven hundred forty-six".