8197678641290 has 16 divisors (see below), whose sum is σ = 14785392348000. Its totient is φ = 3272500169040.

The previous prime is 8197678641211. The next prime is 8197678641301. The reversal of 8197678641290 is 921468767918.

It is a self number, because there is not a number n which added to its sum of digits gives 8197678641290.

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, 821405696 + ... + 821415675.

It is an arithmetic number, because the mean of its divisors is an integer number (924087021750).

Almost surely, 2^{8197678641290} is an apocalyptic number.

8197678641290 is a deficient number, since it is larger than the sum of its proper divisors (6587713706710).

8197678641290 is a wasteful number, since it uses less digits than its factorization.

8197678641290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642821877.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 8197678641290 in words is "eight trillion, one hundred ninety-seven billion, six hundred seventy-eight million, six hundred forty-one thousand, two hundred ninety".