768313653 has 16 divisors (see below), whose sum is σ = 1058835456. Its totient is φ = 495263600.

The previous prime is 768313639. The next prime is 768313661. The reversal of 768313653 is 356313867.

It is a cyclic number.

It is not a de Polignac number, because 768313653 - 2⁸ = 768313397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768314653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21123 + ... + 44528.

It is an arithmetic number, because the mean of its divisors is an integer number (66177216).

Almost surely, 2^768313653 is an apocalyptic number.

It is an amenable number.

768313653 is a deficient number, since it is larger than the sum of its proper divisors (290521803).

768313653 is a wasteful number, since it uses less digits than its factorization.

768313653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65784.

The product of its digits is 272160, while the sum is 42.

The square root of 768313653 is about 27718.4713323084. The cubic root of 768313653 is about 915.8960448029.

The spelling of 768313653 in words is "seven hundred sixty-eight million, three hundred thirteen thousand, six hundred fifty-three".