7989604571 has 4 divisors (see below), whose sum is σ = 8604189552. Its totient is φ = 7375019592.

The previous prime is 7989604499. The next prime is 7989604591. The reversal of 7989604571 is 1754069897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1754069897 = 2339 ⋅749923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7989604571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7989604591) 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, 307292471 + ... + 307292496.

It is an arithmetic number, because the mean of its divisors is an integer number (2151047388).

Almost surely, 2^7989604571 is an apocalyptic number.

7989604571 is a deficient number, since it is larger than the sum of its proper divisors (614584981).

7989604571 is a wasteful number, since it uses less digits than its factorization.

7989604571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614584980.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 7989604571 is about 89384.5879947992. The cubic root of 7989604571 is about 1999.1333387534.

The spelling of 7989604571 in words is "seven billion, nine hundred eighty-nine million, six hundred four thousand, five hundred seventy-one".