768196648 has 16 divisors (see below), whose sum is σ = 1441778580. Its totient is φ = 383722368.

The previous prime is 768196643. The next prime is 768196651. The reversal of 768196648 is 846691867.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 743216644 + 24980004 = 27262^2 + 4998^2 .

It is not an unprimeable number, because it can be changed into a prime (768196643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38215 + ... + 54742.

Almost surely, 2^768196648 is an apocalyptic number.

It is an amenable number.

768196648 is a deficient number, since it is larger than the sum of its proper divisors (673581932).

768196648 is a wasteful number, since it uses less digits than its factorization.

768196648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93996 (or 93992 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 768196648 is about 27716.3606557571. The cubic root of 768196648 is about 915.8495490969.

It can be divided in two parts, 7681 and 96648, that added together give a square (104329 = 323²).

The spelling of 768196648 in words is "seven hundred sixty-eight million, one hundred ninety-six thousand, six hundred forty-eight".