897560939520 has 1408 divisors, whose sum is σ = 3773030400000. Its totient is φ = 198126010368.

The previous prime is 897560939501. The next prime is 897560939581. The reversal of 897560939520 is 25939065798.

897560939520 is a `hidden beast` number, since 8 + 9 + 75 + 6 + 0 + 9 + 39 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4510356381 + ... + 4510356579.

Almost surely, 2^897560939520 is an apocalyptic number.

897560939520 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 897560939520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886515200000).

897560939520 is an abundant number, since it is smaller than the sum of its proper divisors (2875469460480).

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

897560939520 is a wasteful number, since it uses less digits than its factorization.

897560939520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 897560939520 in words is "eight hundred ninety-seven billion, five hundred sixty million, nine hundred thirty-nine thousand, five hundred twenty".