6711771220 has 96 divisors (see below), whose sum is σ = 18336761856. Its totient is φ = 2001014400.

The previous prime is 6711771211. The next prime is 6711771233. The reversal of 6711771220 is 221771176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59326 + ... + 130165.

It is an arithmetic number, because the mean of its divisors is an integer number (191007936).

Almost surely, 2^6711771220 is an apocalyptic number.

It is an amenable number.

6711771220 is an abundant number, since it is smaller than the sum of its proper divisors (11624990636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6711771220 is a wasteful number, since it uses less digits than its factorization.

6711771220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189541 (or 189539 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 6711771220 is about 81925.4003346947. The cubic root of 6711771220 is about 1886.3070222395.

The spelling of 6711771220 in words is "six billion, seven hundred eleven million, seven hundred seventy-one thousand, two hundred twenty".