897223707 has 12 divisors (see below), whose sum is σ = 1296492600. Its totient is φ = 597917088.

The previous prime is 897223651. The next prime is 897223741. The reversal of 897223707 is 707322798.

It is not a de Polignac number, because 897223707 - 2⁸ = 897223451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897223007) 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, 7044 + ... + 42942.

It is an arithmetic number, because the mean of its divisors is an integer number (108041050).

Almost surely, 2^897223707 is an apocalyptic number.

897223707 is a deficient number, since it is larger than the sum of its proper divisors (399268893).

897223707 is a wasteful number, since it uses less digits than its factorization.

897223707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38682 (or 38679 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 897223707 is about 29953.6927105824. The cubic root of 897223707 is about 964.4955911330.

The spelling of 897223707 in words is "eight hundred ninety-seven million, two hundred twenty-three thousand, seven hundred seven".