776522112 has 64 divisors (see below), whose sum is σ = 2082024000. Its totient is φ = 256408064.

The previous prime is 776522099. The next prime is 776522119. The reversal of 776522112 is 211225677.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776522119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31639 + ... + 50537.

It is an arithmetic number, because the mean of its divisors is an integer number (32531625).

Almost surely, 2^776522112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776522112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041012000).

776522112 is an abundant number, since it is smaller than the sum of its proper divisors (1305501888).

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

776522112 is a wasteful number, since it uses less digits than its factorization.

776522112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19023 (or 19011 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 776522112 is about 27866.1463428297. The cubic root of 776522112 is about 919.1462274663.

Adding to 776522112 its reverse (211225677), we get a palindrome (987747789).

The spelling of 776522112 in words is "seven hundred seventy-six million, five hundred twenty-two thousand, one hundred twelve".