987050789 has 2 divisors, whose sum is σ = 987050790. Its totient is φ = 987050788.

The previous prime is 987050737. The next prime is 987050791.

987050789 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891500164 + 95550625 = 29858^2 + 9775^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 987050789 - 2¹² = 987046693 is a prime.

Together with 987050791, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 987050789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987050189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493525394 + 493525395.

It is an arithmetic number, because the mean of its divisors is an integer number (493525395).

Almost surely, 2^987050789 is an apocalyptic number.

It is an amenable number.

987050789 is a deficient number, since it is larger than the sum of its proper divisors (1).

987050789 is an equidigital number, since it uses as much as digits as its factorization.

987050789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 987050789 is about 31417.3644502527. The cubic root of 987050789 is about 995.6648297906.

The spelling of 987050789 in words is "nine hundred eighty-seven million, fifty thousand, seven hundred eighty-nine".