770648936 has 8 divisors (see below), whose sum is σ = 1444966770. Its totient is φ = 385324464.

The previous prime is 770648897. The next prime is 770648939. The reversal of 770648936 is 639846077.

It can be written as a sum of positive squares in only one way, i.e., 754600900 + 16048036 = 27470^2 + 4006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (770648939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48165551 + ... + 48165566.

Almost surely, 2^770648936 is an apocalyptic number.

It is an amenable number.

770648936 is a deficient number, since it is larger than the sum of its proper divisors (674317834).

770648936 is a wasteful number, since it uses less digits than its factorization.

770648936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96331123 (or 96331119 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 770648936 is about 27760.5644034843. The cubic root of 770648936 is about 916.8230590391.

The spelling of 770648936 in words is "seven hundred seventy million, six hundred forty-eight thousand, nine hundred thirty-six".