39925847707 has 2 divisors, whose sum is σ = 39925847708. Its totient is φ = 39925847706.

The previous prime is 39925847659. The next prime is 39925847711. The reversal of 39925847707 is 70774852993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39925847707 - 2²⁷ = 39791629979 is a prime.

It is not a weakly prime, because it can be changed into another prime (39925847737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19962923853 + 19962923854.

It is an arithmetic number, because the mean of its divisors is an integer number (19962923854).

Almost surely, 2^39925847707 is an apocalyptic number.

39925847707 is a deficient number, since it is larger than the sum of its proper divisors (1).

39925847707 is an equidigital number, since it uses as much as digits as its factorization.

39925847707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 39925847707 in words is "thirty-nine billion, nine hundred twenty-five million, eight hundred forty-seven thousand, seven hundred seven".