897372782880 has 384 divisors, whose sum is σ = 3281011163136. Its totient is φ = 201918259200.

The previous prime is 897372782849. The next prime is 897372782903. The reversal of 897372782880 is 88287273798.

It is a super-2 number, since 2×897372782880² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181541689 + ... + 181546631.

It is an arithmetic number, because the mean of its divisors is an integer number (8544299904).

Almost surely, 2^897372782880 is an apocalyptic number.

897372782880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897372782880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640505581568).

897372782880 is an abundant number, since it is smaller than the sum of its proper divisors (2383638380256).

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

897372782880 is a wasteful number, since it uses less digits than its factorization.

897372782880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5792 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 69.

The spelling of 897372782880 in words is "eight hundred ninety-seven billion, three hundred seventy-two million, seven hundred eighty-two thousand, eight hundred eighty".