613868764 has 6 divisors (see below), whose sum is σ = 1074270344. Its totient is φ = 306934380.

The previous prime is 613868743. The next prime is 613868791. The reversal of 613868764 is 467868316.

613868764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76733592 + ... + 76733599.

Almost surely, 2^613868764 is an apocalyptic number.

It is an amenable number.

613868764 is a deficient number, since it is larger than the sum of its proper divisors (460401580).

613868764 is a wasteful number, since it uses less digits than its factorization.

613868764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153467195 (or 153467193 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 613868764 is about 24776.3751182452. The cubic root of 613868764 is about 849.8817662536.

The spelling of 613868764 in words is "six hundred thirteen million, eight hundred sixty-eight thousand, seven hundred sixty-four".