768561602 has 16 divisors (see below), whose sum is σ = 1223578872. Its totient is φ = 360810240.

The previous prime is 768561601. The next prime is 768561611. The reversal of 768561602 is 206165867.

It can be written as a sum of positive squares in 4 ways, for example, as 399960001 + 368601601 = 19999^2 + 19199^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 768561602.

It is not an unprimeable number, because it can be changed into a prime (768561601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12533 + ... + 41160.

Almost surely, 2^768561602 is an apocalyptic number.

768561602 is a deficient number, since it is larger than the sum of its proper divisors (455017270).

768561602 is a wasteful number, since it uses less digits than its factorization.

768561602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54133.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 768561602 is about 27722.9436027273. The cubic root of 768561602 is about 915.9945597269.

The spelling of 768561602 in words is "seven hundred sixty-eight million, five hundred sixty-one thousand, six hundred two".