8461620827292 has 24 divisors (see below), whose sum is σ = 19743831572752. Its totient is φ = 2820533184000.

The previous prime is 8461620827273. The next prime is 8461620827299. The reversal of 8461620827292 is 2927280261648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461620827299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6643542 + ... + 7814082.

Almost surely, 2^{8461620827292} is an apocalyptic number.

It is an amenable number.

8461620827292 is an abundant number, since it is smaller than the sum of its proper divisors (11282210745460).

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

8461620827292 is a wasteful number, since it uses less digits than its factorization.

8461620827292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772949 (or 1772947 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 8461620827292 in words is "eight trillion, four hundred sixty-one billion, six hundred twenty million, eight hundred twenty-seven thousand, two hundred ninety-two".