897774063312 has 160 divisors (see below), whose sum is σ = 2680661640960. Its totient is φ = 253602201600.

The previous prime is 897774063299. The next prime is 897774063313. The reversal of 897774063312 is 213360477798.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897774063313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24041968 + ... + 24079280.

It is an arithmetic number, because the mean of its divisors is an integer number (16754135256).

Almost surely, 2^897774063312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897774063312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340330820480).

897774063312 is an abundant number, since it is smaller than the sum of its proper divisors (1782887577648).

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

897774063312 is a wasteful number, since it uses less digits than its factorization.

897774063312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38141 (or 38135 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 57.

The spelling of 897774063312 in words is "eight hundred ninety-seven billion, seven hundred seventy-four million, sixty-three thousand, three hundred twelve".