897009656422 has 16 divisors (see below), whose sum is σ = 1472268538944. Its totient is φ = 406499841000.

The previous prime is 897009656383. The next prime is 897009656429. The reversal of 897009656422 is 224656900798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897009656429) 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 7 ways as a sum of consecutive naturals, for example, 61583604 + ... + 61598167.

It is an arithmetic number, because the mean of its divisors is an integer number (92016783684).

Almost surely, 2^897009656422 is an apocalyptic number.

897009656422 is a deficient number, since it is larger than the sum of its proper divisors (575258882522).

897009656422 is a wasteful number, since it uses less digits than its factorization.

897009656422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123182115.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 897009656422 in words is "eight hundred ninety-seven billion, nine million, six hundred fifty-six thousand, four hundred twenty-two".