2820609875 has 8 divisors (see below), whose sum is σ = 3520121280. Its totient is φ = 2256487800.

The previous prime is 2820609851. The next prime is 2820609877. The reversal of 2820609875 is 5789060282.

2820609875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2820609875 - 2²² = 2816415571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2820609877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11282315 + ... + 11282564.

It is an arithmetic number, because the mean of its divisors is an integer number (440015160).

Almost surely, 2^2820609875 is an apocalyptic number.

2820609875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820609875 is a deficient number, since it is larger than the sum of its proper divisors (699511405).

2820609875 is an equidigital number, since it uses as much as digits as its factorization.

2820609875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564894 (or 22564884 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2820609875 is about 53109.4141843045. The cubic root of 2820609875 is about 1412.9094852671.

The spelling of 2820609875 in words is "two billion, eight hundred twenty million, six hundred nine thousand, eight hundred seventy-five".