612777242 has 24 divisors (see below), whose sum is σ = 1166438880. Its totient is φ = 238743960.

The previous prime is 612777241. The next prime is 612777281. The reversal of 612777242 is 242777216.

It is a junction number, because it is equal to n+sod(n) for n = 612777196 and 612777205.

It is not an unprimeable number, because it can be changed into a prime (612777241) 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 11 ways as a sum of consecutive naturals, for example, 283142 + ... + 285297.

It is an arithmetic number, because the mean of its divisors is an integer number (48601620).

Almost surely, 2^612777242 is an apocalyptic number.

612777242 is a deficient number, since it is larger than the sum of its proper divisors (553661638).

612777242 is a wasteful number, since it uses less digits than its factorization.

612777242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568466 (or 568459 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The square root of 612777242 is about 24754.3378420834. The cubic root of 612777242 is about 849.3777415764.

The spelling of 612777242 in words is "six hundred twelve million, seven hundred seventy-seven thousand, two hundred forty-two".