987950297 has 2 divisors, whose sum is σ = 987950298. Its totient is φ = 987950296.

The previous prime is 987950287. The next prime is 987950317. The reversal of 987950297 is 792059789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816759241 + 171191056 = 28579^2 + 13084^2 .

It is an emirp because it is prime and its reverse (792059789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 987950297 - 2⁴ = 987950281 is a prime.

It is not a weakly prime, because it can be changed into another prime (987950287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493975148 + 493975149.

It is an arithmetic number, because the mean of its divisors is an integer number (493975149).

Almost surely, 2^987950297 is an apocalyptic number.

It is an amenable number.

987950297 is a deficient number, since it is larger than the sum of its proper divisors (1).

987950297 is an equidigital number, since it uses as much as digits as its factorization.

987950297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 987950297 is about 31431.6766495203. The cubic root of 987950297 is about 995.9671906446.

The spelling of 987950297 in words is "nine hundred eighty-seven million, nine hundred fifty thousand, two hundred ninety-seven".