897308847 has 24 divisors (see below), whose sum is σ = 1345518720. Its totient is φ = 597582360.

The previous prime is 897308831. The next prime is 897308873. The reversal of 897308847 is 748803798.

It is not a de Polignac number, because 897308847 - 2⁴ = 897308831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897308793 and 897308802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897308827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439054 + ... + 441092.

It is an arithmetic number, because the mean of its divisors is an integer number (56063280).

Almost surely, 2^897308847 is an apocalyptic number.

897308847 is a deficient number, since it is larger than the sum of its proper divisors (448209873).

897308847 is a wasteful number, since it uses less digits than its factorization.

897308847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 897308847 is about 29955.1138705898. The cubic root of 897308847 is about 964.5260980388.

The spelling of 897308847 in words is "eight hundred ninety-seven million, three hundred eight thousand, eight hundred forty-seven".