612782773 has 2 divisors, whose sum is σ = 612782774. Its totient is φ = 612782772.

The previous prime is 612782743. The next prime is 612782803. The reversal of 612782773 is 377287216.

It is a balanced prime because it is at equal distance from previous prime (612782743) and next prime (612782803).

It can be written as a sum of positive squares in only one way, i.e., 356718769 + 256064004 = 18887^2 + 16002^2 .

It is a cyclic number.

It is not a de Polignac number, because 612782773 - 2¹³ = 612774581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612782743) 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 as a sum of consecutive naturals, namely, 306391386 + 306391387.

It is an arithmetic number, because the mean of its divisors is an integer number (306391387).

Almost surely, 2^612782773 is an apocalyptic number.

It is an amenable number.

612782773 is a deficient number, since it is larger than the sum of its proper divisors (1).

612782773 is an equidigital number, since it uses as much as digits as its factorization.

612782773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 612782773 is about 24754.4495596246. The cubic root of 612782773 is about 849.3802970967.

The spelling of 612782773 in words is "six hundred twelve million, seven hundred eighty-two thousand, seven hundred seventy-three".