8076628647481 has 9 divisors (see below), whose sum is σ = 8579722584621. Its totient is φ = 7601487373632.

The previous prime is 8076628647467. The next prime is 8076628647499. The reversal of 8076628647481 is 1847468266708.

The square root of 8076628647481 is 2841941.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 610728183081 + 7465900464400 = 781491^2 + 2732380^2 .

It is not a de Polignac number, because 8076628647481 - 2¹⁵ = 8076628614713 is a prime.

It is a super-2 number, since 2×8076628647481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8076628644481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 48229411 + ... + 48396583.

Almost surely, 2^{8076628647481} is an apocalyptic number.

8076628647481 is the 2841941-st square number.

8076628647481 is the 1420971-st centered octagonal number.

It is an amenable number.

8076628647481 is a deficient number, since it is larger than the sum of its proper divisors (503093937140).

8076628647481 is an frugal number, since it uses more digits than its factorization.

8076628647481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334380 (or 167190 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 67.

The spelling of 8076628647481 in words is "eight trillion, seventy-six billion, six hundred twenty-eight million, six hundred forty-seven thousand, four hundred eighty-one".