8297812297640 has 64 divisors (see below), whose sum is σ = 19310961600000. Its totient is φ = 3205619147520.

The previous prime is 8297812297639. The next prime is 8297812297661. The reversal of 8297812297640 is 467922187928.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6086435 + ... + 7323954.

It is an arithmetic number, because the mean of its divisors is an integer number (301733775000).

Almost surely, 2^{8297812297640} is an apocalyptic number.

It is an amenable number.

8297812297640 is an abundant number, since it is smaller than the sum of its proper divisors (11013149302360).

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

8297812297640 is a wasteful number, since it uses less digits than its factorization.

8297812297640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410930 (or 13410926 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 8297812297640 in words is "eight trillion, two hundred ninety-seven billion, eight hundred twelve million, two hundred ninety-seven thousand, six hundred forty".