897573770 has 16 divisors (see below), whose sum is σ = 1628356608. Its totient is φ = 356202000.

The previous prime is 897573757. The next prime is 897573773. The reversal of 897573770 is 77375798.

It is not an unprimeable number, because it can be changed into a prime (897573773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352106 + ... + 354645.

It is an arithmetic number, because the mean of its divisors is an integer number (101772288).

Almost surely, 2^897573770 is an apocalyptic number.

897573770 is a deficient number, since it is larger than the sum of its proper divisors (730782838).

897573770 is a wasteful number, since it uses less digits than its factorization.

897573770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706885.

The product of its (nonzero) digits is 2593080, while the sum is 53.

The square root of 897573770 is about 29959.5355437964. The cubic root of 897573770 is about 964.6210114773.

The spelling of 897573770 in words is "eight hundred ninety-seven million, five hundred seventy-three thousand, seven hundred seventy".