8052688781 has 2 divisors, whose sum is σ = 8052688782. Its totient is φ = 8052688780.

The previous prime is 8052688771. The next prime is 8052688913. The reversal of 8052688781 is 1878862508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7958424100 + 94264681 = 89210^2 + 9709^2 .

It is a cyclic number.

It is not a de Polignac number, because 8052688781 - 2⁶ = 8052688717 is a prime.

It is a super-2 number, since 2×8052688781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8052688771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4026344390 + 4026344391.

It is an arithmetic number, because the mean of its divisors is an integer number (4026344391).

Almost surely, 2^8052688781 is an apocalyptic number.

It is an amenable number.

8052688781 is a deficient number, since it is larger than the sum of its proper divisors (1).

8052688781 is an equidigital number, since it uses as much as digits as its factorization.

8052688781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1720320, while the sum is 53.

The square root of 8052688781 is about 89736.7749643367. The cubic root of 8052688781 is about 2004.3811276027.

The spelling of 8052688781 in words is "eight billion, fifty-two million, six hundred eighty-eight thousand, seven hundred eighty-one".