897662340876 has 144 divisors (see below), whose sum is σ = 2520229565952. Its totient is φ = 243455500800.

The previous prime is 897662340857. The next prime is 897662340893. The reversal of 897662340876 is 678043266798.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4619641 + ... + 4810031.

It is an arithmetic number, because the mean of its divisors is an integer number (17501594208).

Almost surely, 2^897662340876 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 897662340876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260114782976).

897662340876 is an abundant number, since it is smaller than the sum of its proper divisors (1622567225076).

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

897662340876 is a wasteful number, since it uses less digits than its factorization.

897662340876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190520 (or 190481 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 897662340876 in words is "eight hundred ninety-seven billion, six hundred sixty-two million, three hundred forty thousand, eight hundred seventy-six".