1028877802 has 4 divisors (see below), whose sum is σ = 1543316706. Its totient is φ = 514438900.

The previous prime is 1028877767. The next prime is 1028877823. The reversal of 1028877802 is 2087788201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1018822561 + 10055241 = 31919^2 + 3171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257219449 + ... + 257219452.

Almost surely, 2^1028877802 is an apocalyptic number.

1028877802 is a deficient number, since it is larger than the sum of its proper divisors (514438904).

1028877802 is an equidigital number, since it uses as much as digits as its factorization.

1028877802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514438903.

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 1028877802 is about 32076.1251088719. The cubic root of 1028877802 is about 1009.5347339114.

The spelling of 1028877802 in words is "one billion, twenty-eight million, eight hundred seventy-seven thousand, eight hundred two".