829276397 has 2 divisors, whose sum is σ = 829276398. Its totient is φ = 829276396.

The previous prime is 829276387. The next prime is 829276453. The reversal of 829276397 is 793672928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 638118121 + 191158276 = 25261^2 + 13826^2 .

It is a cyclic number.

It is not a de Polignac number, because 829276397 - 2⁶ = 829276333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (829276367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414638198 + 414638199.

It is an arithmetic number, because the mean of its divisors is an integer number (414638199).

Almost surely, 2^829276397 is an apocalyptic number.

It is an amenable number.

829276397 is a deficient number, since it is larger than the sum of its proper divisors (1).

829276397 is an equidigital number, since it uses as much as digits as its factorization.

829276397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 829276397 is about 28797.1595300648. The cubic root of 829276397 is about 939.5064547326.

The spelling of 829276397 in words is "eight hundred twenty-nine million, two hundred seventy-six thousand, three hundred ninety-seven".