8761642741 has 2 divisors, whose sum is σ = 8761642742. Its totient is φ = 8761642740.

The previous prime is 8761642717. The next prime is 8761642783. The reversal of 8761642741 is 1472461678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7827117841 + 934524900 = 88471^2 + 30570^2 .

It is a cyclic number.

It is not a de Polignac number, because 8761642741 - 2⁵ = 8761642709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8761642691 and 8761642700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8761642711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4380821370 + 4380821371.

It is an arithmetic number, because the mean of its divisors is an integer number (4380821371).

Almost surely, 2^8761642741 is an apocalyptic number.

It is an amenable number.

8761642741 is a deficient number, since it is larger than the sum of its proper divisors (1).

8761642741 is an equidigital number, since it uses as much as digits as its factorization.

8761642741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The square root of 8761642741 is about 93603.6470496743. The cubic root of 8761642741 is about 2061.5562078277.

The spelling of 8761642741 in words is "eight billion, seven hundred sixty-one million, six hundred forty-two thousand, seven hundred forty-one".