96859991 has 8 divisors (see below), whose sum is σ = 98861040. Its totient is φ = 94865472.

The previous prime is 96859963. The next prime is 96859993. The reversal of 96859991 is 19995869.

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 96859991 - 2¹⁸ = 96597847 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 (96859993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37931 + ... + 40403.

It is an arithmetic number, because the mean of its divisors is an integer number (12357630).

Almost surely, 2^96859991 is an apocalyptic number.

96859991 is a deficient number, since it is larger than the sum of its proper divisors (2001049).

96859991 is a wasteful number, since it uses less digits than its factorization.

96859991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265.

The product of its digits is 1574640, while the sum is 56.

The square root of 96859991 is about 9841.7473550178. The cubic root of 96859991 is about 459.2489176617.

The spelling of 96859991 in words is "ninety-six million, eight hundred fifty-nine thousand, nine hundred ninety-one".