770006776 has 96 divisors (see below), whose sum is σ = 1841546880. Its totient is φ = 298468800.

The previous prime is 770006771. The next prime is 770006777. The reversal of 770006776 is 677600077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770006771) 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 in 23 ways as a sum of consecutive naturals, for example, 1219981 + ... + 1220611.

It is an arithmetic number, because the mean of its divisors is an integer number (19182780).

Almost surely, 2^770006776 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 770006776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920773440).

770006776 is an abundant number, since it is smaller than the sum of its proper divisors (1071540104).

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

770006776 is a wasteful number, since it uses less digits than its factorization.

770006776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 40.

The square root of 770006776 is about 27748.9959457996. The cubic root of 770006776 is about 916.5683340177.

The spelling of 770006776 in words is "seven hundred seventy million, six thousand, seven hundred seventy-six".