897397430901 has 16 divisors (see below), whose sum is σ = 1201071628800. Its totient is φ = 595994441408.

The previous prime is 897397430857. The next prime is 897397430987. The reversal of 897397430901 is 109034793798.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 897397430901 - 2⁷ = 897397430773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897397438901) 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 15 ways as a sum of consecutive naturals, for example, 12591595 + ... + 12662663.

It is an arithmetic number, because the mean of its divisors is an integer number (75066976800).

Almost surely, 2^897397430901 is an apocalyptic number.

It is an amenable number.

897397430901 is a deficient number, since it is larger than the sum of its proper divisors (303674197899).

897397430901 is a wasteful number, since it uses less digits than its factorization.

897397430901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86988.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 897397430901 in words is "eight hundred ninety-seven billion, three hundred ninety-seven million, four hundred thirty thousand, nine hundred one".