897465799901 has 4 divisors (see below), whose sum is σ = 979053599904. Its totient is φ = 815877999900.

The previous prime is 897465799847. The next prime is 897465799927. The reversal of 897465799901 is 109997564798.

897465799901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897465799901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897465799961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40793899985 + ... + 40793900006.

It is an arithmetic number, because the mean of its divisors is an integer number (244763399976).

Almost surely, 2^897465799901 is an apocalyptic number.

It is an amenable number.

897465799901 is a deficient number, since it is larger than the sum of its proper divisors (81587800003).

897465799901 is a wasteful number, since it uses less digits than its factorization.

897465799901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81587800002.

The product of its (nonzero) digits is 308629440, while the sum is 74.

The spelling of 897465799901 in words is "eight hundred ninety-seven billion, four hundred sixty-five million, seven hundred ninety-nine thousand, nine hundred one".