99996487 has 8 divisors (see below), whose sum is σ = 105762560. Its totient is φ = 94280760.

The previous prime is 99996473. The next prime is 99996509. The reversal of 99996487 is 78469999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99996487 - 2¹⁵ = 99963719 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 (99996287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8463 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (13220320).

Almost surely, 2^99996487 is an apocalyptic number.

99996487 is a deficient number, since it is larger than the sum of its proper divisors (5766073).

99996487 is a wasteful number, since it uses less digits than its factorization.

99996487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25173.

The product of its digits is 8817984, while the sum is 61.

The square root of 99996487 is about 9999.8243484573. The cubic root of 99996487 is about 464.1534479971.

The spelling of 99996487 in words is "ninety-nine million, nine hundred ninety-six thousand, four hundred eighty-seven".