897570549604 has 27 divisors (see below), whose sum is σ = 1576903544307. Its totient is φ = 447033528504.

The previous prime is 897570549571. The next prime is 897570549641. The reversal of 897570549604 is 406945075798.

The square root of 897570549604 is 947402.

It is a perfect power (a square), and thus also a powerful number.

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, 581704057 + ... + 581705599.

Almost surely, 2^897570549604 is an apocalyptic number.

897570549604 is the 947402-nd square number.

It is an amenable number.

897570549604 is a deficient number, since it is larger than the sum of its proper divisors (679332994703).

897570549604 is an frugal number, since it uses more digits than its factorization.

897570549604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 64.

Multiplying 897570549604 by its sum of digits (64), we get a square (57444515174656 = 7579216²).

The spelling of 897570549604 in words is "eight hundred ninety-seven billion, five hundred seventy million, five hundred forty-nine thousand, six hundred four".