1778327016 has 16 divisors (see below), whose sum is σ = 4445817600. Its totient is φ = 592775664.

The previous prime is 1778327011. The next prime is 1778327017. The reversal of 1778327016 is 6107238771.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1778327011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37048456 + ... + 37048503.

It is an arithmetic number, because the mean of its divisors is an integer number (277863600).

Almost surely, 2^1778327016 is an apocalyptic number.

It is an amenable number.

1778327016 is an abundant number, since it is smaller than the sum of its proper divisors (2667490584).

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

1778327016 is a wasteful number, since it uses less digits than its factorization.

1778327016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74096968 (or 74096964 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 1778327016 is about 42170.2147967022. The cubic root of 1778327016 is about 1211.5384697200.

The spelling of 1778327016 in words is "one billion, seven hundred seventy-eight million, three hundred twenty-seven thousand, sixteen".