6685229577 has 32 divisors (see below), whose sum is σ = 9917393920. Its totient is φ = 3977890560.

The previous prime is 6685229543. The next prime is 6685229587. The reversal of 6685229577 is 7759225866.

It is not a de Polignac number, because 6685229577 - 2¹¹ = 6685227529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6685229587) 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 31 ways as a sum of consecutive naturals, for example, 2742003 + ... + 2744439.

It is an arithmetic number, because the mean of its divisors is an integer number (309918560).

Almost surely, 2^6685229577 is an apocalyptic number.

It is an amenable number.

6685229577 is a deficient number, since it is larger than the sum of its proper divisors (3232164343).

6685229577 is a wasteful number, since it uses less digits than its factorization.

6685229577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its digits is 12700800, while the sum is 57.

The square root of 6685229577 is about 81763.2532192794. The cubic root of 6685229577 is about 1883.8172756892.

The spelling of 6685229577 in words is "six billion, six hundred eighty-five million, two hundred twenty-nine thousand, five hundred seventy-seven".