82028028660886 has 48 divisors (see below), whose sum is σ = 155959098347520. Its totient is φ = 31435054408800.

The previous prime is 82028028660883. The next prime is 82028028660911. The reversal of 82028028660886 is 68806682082028.

It is a happy number.

It is a super-2 number, since 2×82028028660886² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82028028660883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71000406 + ... + 72146473.

It is an arithmetic number, because the mean of its divisors is an integer number (3249147882240).

Almost surely, 2^{82028028660886} is an apocalyptic number.

82028028660886 is a deficient number, since it is larger than the sum of its proper divisors (73931069686634).

82028028660886 is a wasteful number, since it uses less digits than its factorization.

82028028660886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143147021 (or 143146960 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 64.

The spelling of 82028028660886 in words is "eighty-two trillion, twenty-eight billion, twenty-eight million, six hundred sixty thousand, eight hundred eighty-six".