99019487 has 16 divisors (see below), whose sum is σ = 117768192. Its totient is φ = 81466560.

The previous prime is 99019483. The next prime is 99019499. The reversal of 99019487 is 78491099.

It is not a de Polignac number, because 99019487 - 2² = 99019483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99019483) 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, 25763 + ... + 29355.

It is an arithmetic number, because the mean of its divisors is an integer number (7360512).

Almost surely, 2^99019487 is an apocalyptic number.

99019487 is a deficient number, since it is larger than the sum of its proper divisors (18748705).

99019487 is a wasteful number, since it uses less digits than its factorization.

99019487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 99019487 is about 9950.8535814773. The cubic root of 99019487 is about 462.6368518323.

The spelling of 99019487 in words is "ninety-nine million, nineteen thousand, four hundred eighty-seven".