7936112861 has 2 divisors, whose sum is σ = 7936112862. Its totient is φ = 7936112860.

The previous prime is 7936112857. The next prime is 7936112903. The reversal of 7936112861 is 1682116397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6475420900 + 1460691961 = 80470^2 + 38219^2 .

It is a cyclic number.

It is not a de Polignac number, because 7936112861 - 2² = 7936112857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7936112161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3968056430 + 3968056431.

It is an arithmetic number, because the mean of its divisors is an integer number (3968056431).

Almost surely, 2^7936112861 is an apocalyptic number.

It is an amenable number.

7936112861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7936112861 is an equidigital number, since it uses as much as digits as its factorization.

7936112861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 7936112861 is about 89084.8632540905. The cubic root of 7936112861 is about 1994.6618364312.

The spelling of 7936112861 in words is "seven billion, nine hundred thirty-six million, one hundred twelve thousand, eight hundred sixty-one".