616768799 has 4 divisors (see below), whose sum is σ = 633438264. Its totient is φ = 600099336.

The previous prime is 616768793. The next prime is 616768813. The reversal of 616768799 is 997867616.

616768799 = 2302² + 2303² + ... + 2412².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616768799 - 2²⁰ = 615720223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616768793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8334677 + ... + 8334750.

It is an arithmetic number, because the mean of its divisors is an integer number (158359566).

Almost surely, 2^616768799 is an apocalyptic number.

616768799 is a deficient number, since it is larger than the sum of its proper divisors (16669465).

616768799 is a wasteful number, since it uses less digits than its factorization.

616768799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16669464.

The product of its digits is 6858432, while the sum is 59.

The square root of 616768799 is about 24834.8303597991. The cubic root of 616768799 is about 851.2179996351.

The spelling of 616768799 in words is "six hundred sixteen million, seven hundred sixty-eight thousand, seven hundred ninety-nine".