3953607997 has 16 divisors (see below), whose sum is σ = 4034430400. Its totient is φ = 3873847680.

The previous prime is 3953607991. The next prime is 3953608007. The reversal of 3953607997 is 7997063593.

It is a cyclic number.

It is not a de Polignac number, because 3953607997 - 2¹⁵ = 3953575229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953607991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6923722 + ... + 6924292.

It is an arithmetic number, because the mean of its divisors is an integer number (252151900).

Almost surely, 2^3953607997 is an apocalyptic number.

It is an amenable number.

3953607997 is a deficient number, since it is larger than the sum of its proper divisors (80822403).

3953607997 is a wasteful number, since it uses less digits than its factorization.

3953607997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 9644670, while the sum is 58.

The square root of 3953607997 is about 62877.7225812131. The cubic root of 3953607997 is about 1581.2402798134.

The spelling of 3953607997 in words is "three billion, nine hundred fifty-three million, six hundred seven thousand, nine hundred ninety-seven".