613077643 has 4 divisors (see below), whose sum is σ = 613128208. Its totient is φ = 613027080.

The previous prime is 613077623. The next prime is 613077649. The reversal of 613077643 is 346770316.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 613077643 - 2⁵ = 613077611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613077649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4978 + ... + 35368.

It is an arithmetic number, because the mean of its divisors is an integer number (153282052).

Almost surely, 2^613077643 is an apocalyptic number.

613077643 is a deficient number, since it is larger than the sum of its proper divisors (50565).

613077643 is a wasteful number, since it uses less digits than its factorization.

613077643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50564.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 613077643 is about 24760.4047422493. The cubic root of 613077643 is about 849.5165153549.

The spelling of 613077643 in words is "six hundred thirteen million, seventy-seven thousand, six hundred forty-three".