897114412840 has 32 divisors (see below), whose sum is σ = 2065449466080. Its totient is φ = 350500514112.

The previous prime is 897114412793. The next prime is 897114412877. The reversal of 897114412840 is 48214411798.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260787354 + ... + 260790793.

It is an arithmetic number, because the mean of its divisors is an integer number (64545295815).

Almost surely, 2^897114412840 is an apocalyptic number.

It is an amenable number.

897114412840 is an abundant number, since it is smaller than the sum of its proper divisors (1168335053240).

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

897114412840 is a wasteful number, since it uses less digits than its factorization.

897114412840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521578201 (or 521578197 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 897114412840 in words is "eight hundred ninety-seven billion, one hundred fourteen million, four hundred twelve thousand, eight hundred forty".