8427300523421 has 16 divisors (see below), whose sum is σ = 9082976611968. Its totient is φ = 7772686680000.

The previous prime is 8427300523373. The next prime is 8427300523427. The reversal of 8427300523421 is 1243250037248.

It is a cyclic number.

It is not a de Polignac number, because 8427300523421 - 2²² = 8427296329117 is a prime.

It is a super-2 number, since 2×8427300523421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427300523427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114884726 + ... + 114958056.

It is an arithmetic number, because the mean of its divisors is an integer number (567686038248).

Almost surely, 2^{8427300523421} is an apocalyptic number.

It is an amenable number.

8427300523421 is a deficient number, since it is larger than the sum of its proper divisors (655676088547).

8427300523421 is a wasteful number, since it uses less digits than its factorization.

8427300523421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80452.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 8427300523421 in words is "eight trillion, four hundred twenty-seven billion, three hundred million, five hundred twenty-three thousand, four hundred twenty-one".