6798577491 has 24 divisors (see below), whose sum is σ = 10594022400. Its totient is φ = 4185282816.

The previous prime is 6798577463. The next prime is 6798577501. The reversal of 6798577491 is 1947758976.

6798577491 is a `hidden beast` number, since 6 + 7 + 98 + 57 + 7 + 491 = 666.

It is not a de Polignac number, because 6798577491 - 2⁵ = 6798577459 is a prime.

It is a super-2 number, since 2×6798577491² = 92441311802263710162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6798577411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411091 + ... + 427308.

It is an arithmetic number, because the mean of its divisors is an integer number (441417600).

Almost surely, 2^6798577491 is an apocalyptic number.

6798577491 is a deficient number, since it is larger than the sum of its proper divisors (3795444909).

6798577491 is a wasteful number, since it uses less digits than its factorization.

6798577491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838475 (or 838472 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The square root of 6798577491 is about 82453.4868334869. The cubic root of 6798577491 is about 1894.4043575516.

The spelling of 6798577491 in words is "six billion, seven hundred ninety-eight million, five hundred seventy-seven thousand, four hundred ninety-one".