8694076861 has 2 divisors, whose sum is σ = 8694076862. Its totient is φ = 8694076860.

The previous prime is 8694076823. The next prime is 8694076871. The reversal of 8694076861 is 1686704968.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7111548900 + 1582527961 = 84330^2 + 39781^2 .

It is a cyclic number.

It is not a de Polignac number, because 8694076861 - 2¹¹ = 8694074813 is a prime.

It is a super-2 number, since 2×8694076861² (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 (8694076871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4347038430 + 4347038431.

It is an arithmetic number, because the mean of its divisors is an integer number (4347038431).

Almost surely, 2^8694076861 is an apocalyptic number.

It is an amenable number.

8694076861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8694076861 is an equidigital number, since it uses as much as digits as its factorization.

8694076861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 8694076861 is about 93242.0337669659. The cubic root of 8694076861 is about 2056.2432600537.

The spelling of 8694076861 in words is "eight billion, six hundred ninety-four million, seventy-six thousand, eight hundred sixty-one".