770948064 has 144 divisors (see below), whose sum is σ = 2331005040. Its totient is φ = 247887360.

The previous prime is 770948041. The next prime is 770948081. The reversal of 770948064 is 460849077.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

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, 726094 + ... + 727154.

It is an arithmetic number, because the mean of its divisors is an integer number (16187535).

Almost surely, 2^770948064 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 770948064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165502520).

770948064 is an abundant number, since it is smaller than the sum of its proper divisors (1560056976).

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

770948064 is a wasteful number, since it uses less digits than its factorization.

770948064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 770948064 is about 27765.9515234036. The cubic root of 770948064 is about 916.9416655622.

It can be divided in two parts, 77094 and 8064, that added together give a palindrome (85158).

The spelling of 770948064 in words is "seven hundred seventy million, nine hundred forty-eight thousand, sixty-four".