825983377 has 2 divisors, whose sum is σ = 825983378. Its totient is φ = 825983376.

The previous prime is 825983321. The next prime is 825983387. The reversal of 825983377 is 773389528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487570561 + 338412816 = 22081^2 + 18396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825983377 is a prime.

It is not a weakly prime, because it can be changed into another prime (825983387) 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, 412991688 + 412991689.

It is an arithmetic number, because the mean of its divisors is an integer number (412991689).

Almost surely, 2^825983377 is an apocalyptic number.

It is an amenable number.

825983377 is a deficient number, since it is larger than the sum of its proper divisors (1).

825983377 is an equidigital number, since it uses as much as digits as its factorization.

825983377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The square root of 825983377 is about 28739.9265308734. The cubic root of 825983377 is about 938.2612254590.

The spelling of 825983377 in words is "eight hundred twenty-five million, nine hundred eighty-three thousand, three hundred seventy-seven".