768194650 has 12 divisors (see below), whose sum is σ = 1428842142. Its totient is φ = 307277840.

The previous prime is 768194639. The next prime is 768194671. The reversal of 768194650 is 56491867.

It can be written as a sum of positive squares in 3 ways, for example, as 667653921 + 100540729 = 25839^2 + 10027^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 768194650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7681897 + ... + 7681996.

Almost surely, 2^768194650 is an apocalyptic number.

768194650 is a deficient number, since it is larger than the sum of its proper divisors (660647492).

768194650 is a wasteful number, since it uses less digits than its factorization.

768194650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363905 (or 15363900 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 768194650 is about 27716.3246120405. The cubic root of 768194650 is about 915.8487550862.

The spelling of 768194650 in words is "seven hundred sixty-eight million, one hundred ninety-four thousand, six hundred fifty".