771322412 has 12 divisors (see below), whose sum is σ = 1542644880. Its totient is φ = 330566736.

The previous prime is 771322397. The next prime is 771322421. The reversal of 771322412 is 214223177.

771322412 is an admirable number.

It is an unprimeable number.

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, 13773587 + ... + 13773642.

It is an arithmetic number, because the mean of its divisors is an integer number (128553740).

Almost surely, 2^771322412 is an apocalyptic number.

It is an amenable number.

771322412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

771322412 is a wasteful number, since it uses less digits than its factorization.

771322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27547240 (or 27547238 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 771322412 is about 27772.6918392870. The cubic root of 771322412 is about 917.0900541726.

Adding to 771322412 its reverse (214223177), we get a palindrome (985545589).

The spelling of 771322412 in words is "seven hundred seventy-one million, three hundred twenty-two thousand, four hundred twelve".