897601769 has 2 divisors, whose sum is σ = 897601770. Its totient is φ = 897601768.

The previous prime is 897601753. The next prime is 897601829. The reversal of 897601769 is 967106798.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897601600 + 169 = 29960^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 897601769 - 2⁴ = 897601753 is a prime.

It is a super-2 number, since 2×897601769² = 1611377871423858722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897601769.

It is not a weakly prime, because it can be changed into another prime (897601709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448800884 + 448800885.

It is an arithmetic number, because the mean of its divisors is an integer number (448800885).

Almost surely, 2^897601769 is an apocalyptic number.

It is an amenable number.

897601769 is a deficient number, since it is larger than the sum of its proper divisors (1).

897601769 is an equidigital number, since it uses as much as digits as its factorization.

897601769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 897601769 is about 29960.0028204271. The cubic root of 897601769 is about 964.6310415323.

The spelling of 897601769 in words is "eight hundred ninety-seven million, six hundred one thousand, seven hundred sixty-nine".