2820086128 has 20 divisors (see below), whose sum is σ = 5611591480. Its totient is φ = 1371933504.

The previous prime is 2820086119. The next prime is 2820086161. The reversal of 2820086128 is 8216800282.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2381238 + ... + 2382421.

It is an arithmetic number, because the mean of its divisors is an integer number (280579574).

Almost surely, 2^2820086128 is an apocalyptic number.

It is an amenable number.

2820086128 is a deficient number, since it is larger than the sum of its proper divisors (2791505352).

2820086128 is a wasteful number, since it uses less digits than its factorization.

2820086128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763704 (or 4763698 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 2820086128 is about 53104.4831252504. The cubic root of 2820086128 is about 1412.8220274779.

The spelling of 2820086128 in words is "two billion, eight hundred twenty million, eighty-six thousand, one hundred twenty-eight".