7864025617 has 4 divisors (see below), whose sum is σ = 8987457856. Its totient is φ = 6740593380.

The previous prime is 7864025591. The next prime is 7864025627. The reversal of 7864025617 is 7165204687.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7165204687 = 1091 ⋅6567557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7864025617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7864025627) 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, 561716109 + ... + 561716122.

It is an arithmetic number, because the mean of its divisors is an integer number (2246864464).

Almost surely, 2^7864025617 is an apocalyptic number.

It is an amenable number.

7864025617 is a deficient number, since it is larger than the sum of its proper divisors (1123432239).

7864025617 is a wasteful number, since it uses less digits than its factorization.

7864025617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123432238.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 7864025617 is about 88679.3415458189. The cubic root of 7864025617 is about 1988.6039902297.

The spelling of 7864025617 in words is "seven billion, eight hundred sixty-four million, twenty-five thousand, six hundred seventeen".