987966458 has 32 divisors (see below), whose sum is σ = 1595413584. Its totient is φ = 457203712.

The previous prime is 987966457. The next prime is 987966467. The reversal of 987966458 is 854669789.

It can be written as a sum of positive squares in 8 ways, for example, as 424236409 + 563730049 = 20597^2 + 23743^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 987966458.

It is not an unprimeable number, because it can be changed into a prime (987966457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525416 + ... + 527292.

Almost surely, 2^987966458 is an apocalyptic number.

987966458 is a deficient number, since it is larger than the sum of its proper divisors (607447126).

987966458 is a wasteful number, since it uses less digits than its factorization.

987966458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its digits is 26127360, while the sum is 62.

The square root of 987966458 is about 31431.9337298869. The cubic root of 987966458 is about 995.9726213288.

The spelling of 987966458 in words is "nine hundred eighty-seven million, nine hundred sixty-six thousand, four hundred fifty-eight".