897052775 has 6 divisors (see below), whose sum is σ = 1112345472. Its totient is φ = 717642200.

The previous prime is 897052771. The next prime is 897052781. The reversal of 897052775 is 577250798.

It is not a de Polignac number, because 897052775 - 2² = 897052771 is a prime.

It is a super-2 number, since 2×897052775² = 1609407362270401250, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17941031 + ... + 17941080.

It is an arithmetic number, because the mean of its divisors is an integer number (185390912).

Almost surely, 2^897052775 is an apocalyptic number.

897052775 is a deficient number, since it is larger than the sum of its proper divisors (215292697).

897052775 is a wasteful number, since it uses less digits than its factorization.

897052775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882121 (or 35882116 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 50.

The square root of 897052775 is about 29950.8393037658. The cubic root of 897052775 is about 964.4343378730.

The spelling of 897052775 in words is "eight hundred ninety-seven million, fifty-two thousand, seven hundred seventy-five".