3987794597 has 4 divisors (see below), whose sum is σ = 3988903776. Its totient is φ = 3986685420.

The previous prime is 3987794549. The next prime is 3987794623. The reversal of 3987794597 is 7954977893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3987794597 - 2¹⁰ = 3987793573 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 (3987796597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549179 + ... + 556392.

It is an arithmetic number, because the mean of its divisors is an integer number (997225944).

Almost surely, 2^3987794597 is an apocalyptic number.

It is an amenable number.

3987794597 is a deficient number, since it is larger than the sum of its proper divisors (1109179).

3987794597 is a wasteful number, since it uses less digits than its factorization.

3987794597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109178.

The product of its digits is 120022560, while the sum is 68.

The square root of 3987794597 is about 63148.9872998768. The cubic root of 3987794597 is about 1585.7848345062.

The spelling of 3987794597 in words is "three billion, nine hundred eighty-seven million, seven hundred ninety-four thousand, five hundred ninety-seven".