96859987 has 4 divisors (see below), whose sum is σ = 110697136. Its totient is φ = 83022840.

The previous prime is 96859963. The next prime is 96859993. The reversal of 96859987 is 78995869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78995869 = 23 ⋅3434603.

It is a cyclic number.

It is not a de Polignac number, because 96859987 - 2¹⁹ = 96335699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96859487) 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 3 ways as a sum of consecutive naturals, for example, 6918564 + ... + 6918577.

It is an arithmetic number, because the mean of its divisors is an integer number (27674284).

Almost surely, 2^96859987 is an apocalyptic number.

96859987 is a deficient number, since it is larger than the sum of its proper divisors (13837149).

96859987 is a wasteful number, since it uses less digits than its factorization.

96859987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837148.

The product of its digits is 9797760, while the sum is 61.

The square root of 96859987 is about 9841.7471518019. The cubic root of 96859987 is about 459.2489113399.

The spelling of 96859987 in words is "ninety-six million, eight hundred fifty-nine thousand, nine hundred eighty-seven".