8460623752821 has 48 divisors (see below), whose sum is σ = 12985243215360. Its totient is φ = 5298222545280.

The previous prime is 8460623752817. The next prime is 8460623752831. The reversal of 8460623752821 is 1282573260648.

8460623752821 is a `hidden beast` number, since 8 + 4 + 6 + 0 + 62 + 37 + 528 + 21 = 666.

It is not a de Polignac number, because 8460623752821 - 2² = 8460623752817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460623752831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117422076 + ... + 117494106.

It is an arithmetic number, because the mean of its divisors is an integer number (270525900320).

Almost surely, 2^{8460623752821} is an apocalyptic number.

It is an amenable number.

8460623752821 is a deficient number, since it is larger than the sum of its proper divisors (4524619462539).

8460623752821 is a wasteful number, since it uses less digits than its factorization.

8460623752821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84266 (or 84263 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 8460623752821 in words is "eight trillion, four hundred sixty billion, six hundred twenty-three million, seven hundred fifty-two thousand, eight hundred twenty-one".