770759680 has 132 divisors (see below), whose sum is σ = 1925571960. Its totient is φ = 296009728.

The previous prime is 770759653. The next prime is 770759687. The reversal of 770759680 is 86957077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770759687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4305831 + ... + 4306009.

Almost surely, 2^770759680 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 770759680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962785980).

770759680 is an abundant number, since it is smaller than the sum of its proper divisors (1154812280).

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

770759680 is a wasteful number, since it uses less digits than its factorization.

770759680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 770759680 is about 27762.5589598654. The cubic root of 770759680 is about 916.8669734533.

The spelling of 770759680 in words is "seven hundred seventy million, seven hundred fifty-nine thousand, six hundred eighty".