987316829 has 2 divisors, whose sum is σ = 987316830. Its totient is φ = 987316828.

The previous prime is 987316819. The next prime is 987316849. The reversal of 987316829 is 928613789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542191225 + 445125604 = 23285^2 + 21098^2 .

It is a cyclic number.

It is not a de Polignac number, because 987316829 - 2⁸ = 987316573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987316819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493658414 + 493658415.

It is an arithmetic number, because the mean of its divisors is an integer number (493658415).

Almost surely, 2^987316829 is an apocalyptic number.

It is an amenable number.

987316829 is a deficient number, since it is larger than the sum of its proper divisors (1).

987316829 is an equidigital number, since it uses as much as digits as its factorization.

987316829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 987316829 is about 31421.5981293123. The cubic root of 987316829 is about 995.7542756696.

The spelling of 987316829 in words is "nine hundred eighty-seven million, three hundred sixteen thousand, eight hundred twenty-nine".