3907749997 has 2 divisors, whose sum is σ = 3907749998. Its totient is φ = 3907749996.

The previous prime is 3907749977. The next prime is 3907750031. The reversal of 3907749997 is 7999477093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2074711401 + 1833038596 = 45549^2 + 42814^2 .

It is a cyclic number.

It is not a de Polignac number, because 3907749997 - 2³¹ = 1760266349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3907749907) 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, 1953874998 + 1953874999.

It is an arithmetic number, because the mean of its divisors is an integer number (1953874999).

Almost surely, 2^3907749997 is an apocalyptic number.

It is an amenable number.

3907749997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3907749997 is an equidigital number, since it uses as much as digits as its factorization.

3907749997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27005076, while the sum is 64.

The square root of 3907749997 is about 62511.9988242257. The cubic root of 3907749997 is about 1575.1028735358.

The spelling of 3907749997 in words is "three billion, nine hundred seven million, seven hundred forty-nine thousand, nine hundred ninety-seven".