1025827798 has 8 divisors (see below), whose sum is σ = 1558219680. Its totient is φ = 506421240.

The previous prime is 1025827783. The next prime is 1025827799. The reversal of 1025827798 is 8977285201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1025827798² = 2104645342299057608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025827799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246133 + ... + 3246448.

It is an arithmetic number, because the mean of its divisors is an integer number (194777460).

Almost surely, 2^1025827798 is an apocalyptic number.

1025827798 is a deficient number, since it is larger than the sum of its proper divisors (532391882).

1025827798 is an equidigital number, since it uses as much as digits as its factorization.

1025827798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492662.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 1025827798 is about 32028.5466107971. The cubic root of 1025827798 is about 1008.5361920902.

The spelling of 1025827798 in words is "one billion, twenty-five million, eight hundred twenty-seven thousand, seven hundred ninety-eight".