783825773 has 2 divisors, whose sum is σ = 783825774. Its totient is φ = 783825772.

The previous prime is 783825739. The next prime is 783825781. The reversal of 783825773 is 377528387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668843044 + 114982729 = 25862^2 + 10723^2 .

It is a cyclic number.

It is not a de Polignac number, because 783825773 - 2¹⁰ = 783824749 is a prime.

It is a super-2 number, since 2×783825773² = 1228765684838095058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (783825703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391912886 + 391912887.

It is an arithmetic number, because the mean of its divisors is an integer number (391912887).

Almost surely, 2^783825773 is an apocalyptic number.

It is an amenable number.

783825773 is a deficient number, since it is larger than the sum of its proper divisors (1).

783825773 is an equidigital number, since it uses as much as digits as its factorization.

783825773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 50.

The square root of 783825773 is about 27996.8886307032. Note that the first 3 decimals coincide. The cubic root of 783825773 is about 922.0189487183.

The spelling of 783825773 in words is "seven hundred eighty-three million, eight hundred twenty-five thousand, seven hundred seventy-three".