897680552 has 8 divisors (see below), whose sum is σ = 1683151050. Its totient is φ = 448840272.

The previous prime is 897680551. The next prime is 897680561. The reversal of 897680552 is 255086798.

It can be written as a sum of positive squares in only one way, i.e., 563302756 + 334377796 = 23734^2 + 18286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 897680552.

It is not an unprimeable number, because it can be changed into a prime (897680551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105027 + ... + 56105042.

Almost surely, 2^897680552 is an apocalyptic number.

It is an amenable number.

897680552 is a deficient number, since it is larger than the sum of its proper divisors (785470498).

897680552 is a wasteful number, since it uses less digits than its factorization.

897680552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112210075 (or 112210071 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 897680552 is about 29961.3175945251. The cubic root of 897680552 is about 964.6592627720.

The spelling of 897680552 in words is "eight hundred ninety-seven million, six hundred eighty thousand, five hundred fifty-two".