897052773 has 4 divisors (see below), whose sum is σ = 1196070368. Its totient is φ = 598035180.

The previous prime is 897052771. The next prime is 897052781. The reversal of 897052773 is 377250798.

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 not a de Polignac number, because 897052773 - 2¹ = 897052771 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 (897052771) 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, 149508793 + ... + 149508798.

It is an arithmetic number, because the mean of its divisors is an integer number (299017592).

Almost surely, 2^897052773 is an apocalyptic number.

It is an amenable number.

897052773 is a deficient number, since it is larger than the sum of its proper divisors (299017595).

897052773 is a wasteful number, since it uses less digits than its factorization.

897052773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299017594.

The product of its (nonzero) digits is 740880, while the sum is 48.

The square root of 897052773 is about 29950.8392703777. The cubic root of 897052773 is about 964.4343371562.

The spelling of 897052773 in words is "eight hundred ninety-seven million, fifty-two thousand, seven hundred seventy-three".