7772442773 has 2 divisors, whose sum is σ = 7772442774. Its totient is φ = 7772442772.

The previous prime is 7772442751. The next prime is 7772442809. The reversal of 7772442773 is 3772442777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7737313444 + 35129329 = 87962^2 + 5927^2 .

It is a cyclic number.

It is not a de Polignac number, because 7772442773 - 2⁶ = 7772442709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7772442473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3886221386 + 3886221387.

It is an arithmetic number, because the mean of its divisors is an integer number (3886221387).

Almost surely, 2^7772442773 is an apocalyptic number.

It is an amenable number.

7772442773 is a deficient number, since it is larger than the sum of its proper divisors (1).

7772442773 is an equidigital number, since it uses as much as digits as its factorization.

7772442773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3226944, while the sum is 50.

The square root of 7772442773 is about 88161.4585462378. The cubic root of 7772442773 is about 1980.8542017985.

The spelling of 7772442773 in words is "seven billion, seven hundred seventy-two million, four hundred forty-two thousand, seven hundred seventy-three".