613022778 has 24 divisors (see below), whose sum is σ = 1345032000. Its totient is φ = 201753864.

The previous prime is 613022747. The next prime is 613022779. The reversal of 613022778 is 877220316.

613022778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (613022779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214128 + ... + 216971.

It is an arithmetic number, because the mean of its divisors is an integer number (56043000).

Almost surely, 2^613022778 is an apocalyptic number.

613022778 is an abundant number, since it is smaller than the sum of its proper divisors (732009222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613022778 is a wasteful number, since it uses less digits than its factorization.

613022778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431186 (or 431183 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 613022778 is about 24759.2967993843. The cubic root of 613022778 is about 849.4911732063.

The spelling of 613022778 in words is "six hundred thirteen million, twenty-two thousand, seven hundred seventy-eight".