2828028057 has 4 divisors (see below), whose sum is σ = 3770704080. Its totient is φ = 1885352036.

The previous prime is 2828028053. The next prime is 2828028079. The reversal of 2828028057 is 7508208282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2828028057 - 2² = 2828028053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2828028053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471338007 + ... + 471338012.

It is an arithmetic number, because the mean of its divisors is an integer number (942676020).

Almost surely, 2^2828028057 is an apocalyptic number.

It is an amenable number.

2828028057 is a deficient number, since it is larger than the sum of its proper divisors (942676023).

2828028057 is an equidigital number, since it uses as much as digits as its factorization.

2828028057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942676022.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 2828028057 is about 53179.2069986005. The cubic root of 2828028057 is about 1414.1470479538.

The spelling of 2828028057 in words is "two billion, eight hundred twenty-eight million, twenty-eight thousand, fifty-seven".