897687748 has 6 divisors (see below), whose sum is σ = 1570953566. Its totient is φ = 448843872.

The previous prime is 897687691. The next prime is 897687767. The reversal of 897687748 is 847786798.

It can be written as a sum of positive squares in only one way, i.e., 889948224 + 7739524 = 29832^2 + 2782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 897687748.

It is an unprimeable number.

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, 112210965 + ... + 112210972.

Almost surely, 2^897687748 is an apocalyptic number.

It is an amenable number.

897687748 is a deficient number, since it is larger than the sum of its proper divisors (673265818).

897687748 is a wasteful number, since it uses less digits than its factorization.

897687748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224421941 (or 224421939 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 64.

The square root of 897687748 is about 29961.4376824611. The cubic root of 897687748 is about 964.6618404037.

The spelling of 897687748 in words is "eight hundred ninety-seven million, six hundred eighty-seven thousand, seven hundred forty-eight".