897556475 has 12 divisors (see below), whose sum is σ = 1113481560. Its totient is φ = 717715200.

The previous prime is 897556453. The next prime is 897556477. The reversal of 897556475 is 574655798.

It is not a de Polignac number, because 897556475 - 2¹² = 897552379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897556475.

It is not an unprimeable number, because it can be changed into a prime (897556477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57515 + ... + 71435.

It is an arithmetic number, because the mean of its divisors is an integer number (92790130).

Almost surely, 2^897556475 is an apocalyptic number.

897556475 is a deficient number, since it is larger than the sum of its proper divisors (215925085).

897556475 is a wasteful number, since it uses less digits than its factorization.

897556475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16510 (or 16505 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 56.

The square root of 897556475 is about 29959.2469030849. The cubic root of 897556475 is about 964.6148158018.

The spelling of 897556475 in words is "eight hundred ninety-seven million, five hundred fifty-six thousand, four hundred seventy-five".