6480897577 has 12 divisors (see below), whose sum is σ = 8141293888. Its totient is φ = 5050049400.

The previous prime is 6480897571. The next prime is 6480897617. The reversal of 6480897577 is 7757980846.

It is a de Polignac number, because none of the positive numbers 2^k-6480897577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6480897571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3824949 + ... + 3826642.

Almost surely, 2^6480897577 is an apocalyptic number.

It is an amenable number.

6480897577 is a deficient number, since it is larger than the sum of its proper divisors (1660396311).

6480897577 is a wasteful number, since it uses less digits than its factorization.

6480897577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651620 (or 7651609 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 61.

The square root of 6480897577 is about 80504.0221169104. The cubic root of 6480897577 is about 1864.4255792411.

The spelling of 6480897577 in words is "six billion, four hundred eighty million, eight hundred ninety-seven thousand, five hundred seventy-seven".