3987208297 has 2 divisors, whose sum is σ = 3987208298. Its totient is φ = 3987208296.

The previous prime is 3987208283. The next prime is 3987208301. The reversal of 3987208297 is 7928027893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2755830016 + 1231378281 = 52496^2 + 35091^2 .

It is a cyclic number.

It is not a de Polignac number, because 3987208297 - 2²⁷ = 3852990569 is a prime.

It is not a weakly prime, because it can be changed into another prime (3987208207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993604148 + 1993604149.

It is an arithmetic number, because the mean of its divisors is an integer number (1993604149).

Almost surely, 2^3987208297 is an apocalyptic number.

It is an amenable number.

3987208297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3987208297 is an equidigital number, since it uses as much as digits as its factorization.

3987208297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 3987208297 is about 63144.3449328600. The cubic root of 3987208297 is about 1585.7071147546.

The spelling of 3987208297 in words is "three billion, nine hundred eighty-seven million, two hundred eight thousand, two hundred ninety-seven".