8272264720637 has 2 divisors, whose sum is σ = 8272264720638. Its totient is φ = 8272264720636.

The previous prime is 8272264720597. The next prime is 8272264720739. The reversal of 8272264720637 is 7360274622728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4264476933721 + 4007787786916 = 2065061^2 + 2001946^2 .

It is a cyclic number.

It is not a de Polignac number, because 8272264720637 - 2⁸ = 8272264720381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8272264720337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4136132360318 + 4136132360319.

It is an arithmetic number, because the mean of its divisors is an integer number (4136132360319).

Almost surely, 2^{8272264720637} is an apocalyptic number.

It is an amenable number.

8272264720637 is a deficient number, since it is larger than the sum of its proper divisors (1).

8272264720637 is an equidigital number, since it uses as much as digits as its factorization.

8272264720637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 8272264720637 in words is "eight trillion, two hundred seventy-two billion, two hundred sixty-four million, seven hundred twenty thousand, six hundred thirty-seven".