768928288 has 24 divisors (see below), whose sum is σ = 1514551500. Its totient is φ = 384280320.

The previous prime is 768928283. The next prime is 768928291. The reversal of 768928288 is 882829867.

It can be written as a sum of positive squares in 2 ways, for example, as 658846224 + 110082064 = 25668^2 + 10492^2 .

It is a super-2 number, since 2×768928288² = 1182501424173221888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (768928283) 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, 83598 + ... + 92338.

Almost surely, 2^768928288 is an apocalyptic number.

It is an amenable number.

768928288 is a deficient number, since it is larger than the sum of its proper divisors (745623212).

768928288 is a wasteful number, since it uses less digits than its factorization.

768928288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500 (or 11492 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 58.

The square root of 768928288 is about 27729.5562171485. The cubic root of 768928288 is about 916.1402123231.

The spelling of 768928288 in words is "seven hundred sixty-eight million, nine hundred twenty-eight thousand, two hundred eighty-eight".