897423286422 has 32 divisors (see below), whose sum is σ = 1935548804448. Its totient is φ = 275753511936.

The previous prime is 897423286351. The next prime is 897423286433. The reversal of 897423286422 is 224682324798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791003 + ... + 7905350.

It is an arithmetic number, because the mean of its divisors is an integer number (60485900139).

Almost surely, 2^897423286422 is an apocalyptic number.

897423286422 is an abundant number, since it is smaller than the sum of its proper divisors (1038125518026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897423286422 is a wasteful number, since it uses less digits than its factorization.

897423286422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15697104.

The product of its digits is 18579456, while the sum is 57.

The spelling of 897423286422 in words is "eight hundred ninety-seven billion, four hundred twenty-three million, two hundred eighty-six thousand, four hundred twenty-two".