897250123620 has 384 divisors, whose sum is σ = 2997318159360. Its totient is φ = 225096537600.

The previous prime is 897250123571. The next prime is 897250123657. The reversal of 897250123620 is 26321052798.

897250123620 is a `hidden beast` number, since 8 + 9 + 7 + 2 + 5 + 0 + 12 + 3 + 620 = 666.

It is a super-2 number, since 2×897250123620² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 61359910 + ... + 61374530.

It is an arithmetic number, because the mean of its divisors is an integer number (7805516040).

Almost surely, 2^897250123620 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 897250123620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498659079680).

897250123620 is an abundant number, since it is smaller than the sum of its proper divisors (2100068035740).

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

897250123620 is a wasteful number, since it uses less digits than its factorization.

897250123620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14735 (or 14715 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 897250123620 in words is "eight hundred ninety-seven billion, two hundred fifty million, one hundred twenty-three thousand, six hundred twenty".