8125039379 has 2 divisors, whose sum is σ = 8125039380. Its totient is φ = 8125039378.

The previous prime is 8125039297. The next prime is 8125039393. The reversal of 8125039379 is 9739305218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8125039379 - 2⁸ = 8125039123 is a prime.

It is not a weakly prime, because it can be changed into another prime (8125039399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062519689 + 4062519690.

It is an arithmetic number, because the mean of its divisors is an integer number (4062519690).

Almost surely, 2^8125039379 is an apocalyptic number.

8125039379 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125039379 is an equidigital number, since it uses as much as digits as its factorization.

8125039379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 8125039379 is about 90139.0003217253. Note that the first 3 decimals coincide. The cubic root of 8125039379 is about 2010.3661271285.

The spelling of 8125039379 in words is "eight billion, one hundred twenty-five million, thirty-nine thousand, three hundred seventy-nine".