8727296381 has 2 divisors, whose sum is σ = 8727296382. Its totient is φ = 8727296380.

The previous prime is 8727296317. The next prime is 8727296419. The reversal of 8727296381 is 1836927278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6233892025 + 2493404356 = 78955^2 + 49934^2 .

It is a cyclic number.

It is not a de Polignac number, because 8727296381 - 2⁶ = 8727296317 is a prime.

It is a super-2 number, since 2×8727296381² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8727296881) 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 as a sum of consecutive naturals, namely, 4363648190 + 4363648191.

It is an arithmetic number, because the mean of its divisors is an integer number (4363648191).

Almost surely, 2^8727296381 is an apocalyptic number.

It is an amenable number.

8727296381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8727296381 is an equidigital number, since it uses as much as digits as its factorization.

8727296381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 8727296381 is about 93419.9998983087. Note that the first 3 decimals coincide. The cubic root of 8727296381 is about 2058.8588568544.

The spelling of 8727296381 in words is "eight billion, seven hundred twenty-seven million, two hundred ninety-six thousand, three hundred eighty-one".