7871079133 has 2 divisors, whose sum is σ = 7871079134. Its totient is φ = 7871079132.

The previous prime is 7871079121. The next prime is 7871079163. The reversal of 7871079133 is 3319701787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6717933369 + 1153145764 = 81963^2 + 33958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7871079133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7871079103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3935539566 + 3935539567.

It is an arithmetic number, because the mean of its divisors is an integer number (3935539567).

Almost surely, 2^7871079133 is an apocalyptic number.

It is an amenable number.

7871079133 is a deficient number, since it is larger than the sum of its proper divisors (1).

7871079133 is an equidigital number, since it uses as much as digits as its factorization.

7871079133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 7871079133 is about 88719.1024131782. The cubic root of 7871079133 is about 1989.1983617460.

The spelling of 7871079133 in words is "seven billion, eight hundred seventy-one million, seventy-nine thousand, one hundred thirty-three".