8272605536381 has 16 divisors (see below), whose sum is σ = 8645544270720. Its totient is φ = 7908691764480.

The previous prime is 8272605536359. The next prime is 8272605536431. The reversal of 8272605536381 is 1836355062728.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8272605536381 is a prime.

It is a super-2 number, since 2×8272605536381² (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 (8272605536681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4705865 + ... + 6220158.

It is an arithmetic number, because the mean of its divisors is an integer number (540346516920).

Almost surely, 2^{8272605536381} is an apocalyptic number.

It is an amenable number.

8272605536381 is a deficient number, since it is larger than the sum of its proper divisors (372938734339).

8272605536381 is a wasteful number, since it uses less digits than its factorization.

8272605536381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926436.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 8272605536381 in words is "eight trillion, two hundred seventy-two billion, six hundred five million, five hundred thirty-six thousand, three hundred eighty-one".