768478608 has 60 divisors (see below), whose sum is σ = 2277190188. Its totient is φ = 241090560.

The previous prime is 768478559. The next prime is 768478639. The reversal of 768478608 is 806874867.

It can be written as a sum of positive squares in 2 ways, for example, as 383063184 + 385415424 = 19572^2 + 19632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154513 + ... + 159408.

Almost surely, 2^768478608 is an apocalyptic number.

It is an amenable number.

768478608 is an abundant number, since it is smaller than the sum of its proper divisors (1508711580).

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

768478608 is a wasteful number, since it uses less digits than its factorization.

768478608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313952 (or 313943 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 768478608 is about 27721.4467154945. The cubic root of 768478608 is about 915.9615869681.

The spelling of 768478608 in words is "seven hundred sixty-eight million, four hundred seventy-eight thousand, six hundred eight".