771216112 has 10 divisors (see below), whose sum is σ = 1494231248. Its totient is φ = 385608048.

The previous prime is 771216071. The next prime is 771216119. The reversal of 771216112 is 211612177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771216119) by changing a digit.

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, 24100488 + ... + 24100519.

Almost surely, 2^771216112 is an apocalyptic number.

It is an amenable number.

771216112 is a deficient number, since it is larger than the sum of its proper divisors (723015136).

771216112 is a wasteful number, since it uses less digits than its factorization.

771216112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48201015 (or 48201009 counting only the distinct ones).

The product of its digits is 1176, while the sum is 28.

The square root of 771216112 is about 27770.7780229507. The cubic root of 771216112 is about 917.0479225685.

Adding to 771216112 its reverse (211612177), we get a palindrome (982828289).

The spelling of 771216112 in words is "seven hundred seventy-one million, two hundred sixteen thousand, one hundred twelve".