8125039907 has 2 divisors, whose sum is σ = 8125039908. Its totient is φ = 8125039906.

The previous prime is 8125039877. The next prime is 8125039921. The reversal of 8125039907 is 7099305218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8125039907 - 2¹⁶ = 8124974371 is a prime.

It is not a weakly prime, because it can be changed into another prime (8125039207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062519953 + 4062519954.

It is an arithmetic number, because the mean of its divisors is an integer number (4062519954).

Almost surely, 2^8125039907 is an apocalyptic number.

8125039907 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125039907 is an equidigital number, since it uses as much as digits as its factorization.

8125039907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 8125039907 is about 90139.0032505352. The cubic root of 8125039907 is about 2010.3661706759.

The spelling of 8125039907 in words is "eight billion, one hundred twenty-five million, thirty-nine thousand, nine hundred seven".