770922648 has 96 divisors (see below), whose sum is σ = 2193834240. Its totient is φ = 244094400.

The previous prime is 770922637. The next prime is 770922707. The reversal of 770922648 is 846229077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248515 + ... + 251597.

It is an arithmetic number, because the mean of its divisors is an integer number (22852440).

Almost surely, 2^770922648 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 770922648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096917120).

770922648 is an abundant number, since it is smaller than the sum of its proper divisors (1422911592).

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

770922648 is a wasteful number, since it uses less digits than its factorization.

770922648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3262 counting only the distinct ones).

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

The square root of 770922648 is about 27765.4938367752. The cubic root of 770922648 is about 916.9315891180.

The spelling of 770922648 in words is "seven hundred seventy million, nine hundred twenty-two thousand, six hundred forty-eight".