6715771828 has 12 divisors (see below), whose sum is σ = 11974348260. Its totient is φ = 3294529472.

The previous prime is 6715771823. The next prime is 6715771849. The reversal of 6715771828 is 8281775176.

It can be written as a sum of positive squares in 2 ways, for example, as 5840322084 + 875449744 = 76422^2 + 29588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6715771823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15838873 + ... + 15839296.

It is an arithmetic number, because the mean of its divisors is an integer number (997862355).

Almost surely, 2^6715771828 is an apocalyptic number.

It is an amenable number.

6715771828 is a deficient number, since it is larger than the sum of its proper divisors (5258576432).

6715771828 is a wasteful number, since it uses less digits than its factorization.

6715771828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31678226 (or 31678224 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 52.

The square root of 6715771828 is about 81949.8128612872. The cubic root of 6715771828 is about 1886.6817308845.

The spelling of 6715771828 in words is "six billion, seven hundred fifteen million, seven hundred seventy-one thousand, eight hundred twenty-eight".