6487164877809 has 64 divisors (see below), whose sum is σ = 11352286955520. Its totient is φ = 3192348672000.

The previous prime is 6487164877799. The next prime is 6487164877811. The reversal of 6487164877809 is 9087784617846.

It is not a de Polignac number, because 6487164877809 - 2¹¹ = 6487164875761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6487164877859) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67371319 + ... + 67467539.

It is an arithmetic number, because the mean of its divisors is an integer number (177379483680).

Almost surely, 2^{6487164877809} is an apocalyptic number.

It is an amenable number.

6487164877809 is a deficient number, since it is larger than the sum of its proper divisors (4865122077711).

6487164877809 is a wasteful number, since it uses less digits than its factorization.

6487164877809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111622.

The product of its (nonzero) digits is 910393344, while the sum is 75.

The spelling of 6487164877809 in words is "six trillion, four hundred eighty-seven billion, one hundred sixty-four million, eight hundred seventy-seven thousand, eight hundred nine".