99089487 has 20 divisors (see below), whose sum is σ = 169169616. Its totient is φ = 56622240.

The previous prime is 99089483. The next prime is 99089519. The reversal of 99089487 is 78498099.

It is not a de Polignac number, because 99089487 - 2² = 99089483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99089483) 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 19 ways as a sum of consecutive naturals, for example, 86814 + ... + 87947.

Almost surely, 2^99089487 is an apocalyptic number.

99089487 is a deficient number, since it is larger than the sum of its proper divisors (70080129).

99089487 is a wasteful number, since it uses less digits than its factorization.

99089487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174780 (or 174771 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 99089487 is about 9954.3702462788. The cubic root of 99089487 is about 462.7458436829.

The spelling of 99089487 in words is "ninety-nine million, eighty-nine thousand, four hundred eighty-seven".