1048777816 has 8 divisors (see below), whose sum is σ = 1966458420. Its totient is φ = 524388904.

The previous prime is 1048777813. The next prime is 1048777823. The reversal of 1048777816 is 6187778401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1048777816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048777813) by changing a digit.

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 as a sum of consecutive naturals, namely, 65548606 + ... + 65548621.

Almost surely, 2^1048777816 is an apocalyptic number.

It is an amenable number.

1048777816 is a deficient number, since it is larger than the sum of its proper divisors (917680604).

1048777816 is a wasteful number, since it uses less digits than its factorization.

1048777816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131097233 (or 131097229 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 1048777816 is about 32384.8392924838. The cubic root of 1048777816 is about 1016.0018470837.

The spelling of 1048777816 in words is "one billion, forty-eight million, seven hundred seventy-seven thousand, eight hundred sixteen".