7987337897 has 36 divisors (see below), whose sum is σ = 10169022528. Its totient is φ = 6141049200.

The previous prime is 7987337887. The next prime is 7987337923.

7987337897 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7987337897 - 2⁴ = 7987337881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7987337867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5285372 + ... + 5286882.

It is an arithmetic number, because the mean of its divisors is an integer number (282472848).

Almost surely, 2^7987337897 is an apocalyptic number.

7987337897 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7987337897 is a deficient number, since it is larger than the sum of its proper divisors (2181684631).

7987337897 is a wasteful number, since it uses less digits than its factorization.

7987337897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1608 counting only the distinct ones).

The product of its digits is 112021056, while the sum is 68.

The square root of 7987337897 is about 89371.9077618913. The cubic root of 7987337897 is about 1998.9442675626.

The spelling of 7987337897 in words is "seven billion, nine hundred eighty-seven million, three hundred thirty-seven thousand, eight hundred ninety-seven".