1027907816 has 16 divisors (see below), whose sum is σ = 2075583300. Its totient is φ = 474418944.

The previous prime is 1027907807. The next prime is 1027907821. The reversal of 1027907816 is 6187097201.

It can be written as a sum of positive squares in 2 ways, for example, as 1027458916 + 448900 = 32054^2 + 670^2 .

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, 4941761 + ... + 4941968.

Almost surely, 2^1027907816 is an apocalyptic number.

It is an amenable number.

1027907816 is an abundant number, since it is smaller than the sum of its proper divisors (1047675484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1027907816 is a wasteful number, since it uses less digits than its factorization.

1027907816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883748 (or 9883744 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 1027907816 is about 32061.0014815508. The cubic root of 1027907816 is about 1009.2173841264.

The spelling of 1027907816 in words is "one billion, twenty-seven million, nine hundred seven thousand, eight hundred sixteen".