96729991 has 4 divisors (see below), whose sum is σ = 96942112. Its totient is φ = 96517872.

The previous prime is 96729967. The next prime is 96730003. The reversal of 96729991 is 19992769.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 96729991 - 2⁵ = 96729959 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 (96729911) 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, 105375 + ... + 106288.

It is an arithmetic number, because the mean of its divisors is an integer number (24235528).

Almost surely, 2^96729991 is an apocalyptic number.

96729991 is a deficient number, since it is larger than the sum of its proper divisors (212121).

96729991 is a wasteful number, since it uses less digits than its factorization.

96729991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212120.

The product of its digits is 551124, while the sum is 52.

The square root of 96729991 is about 9835.1406192286. The cubic root of 96729991 is about 459.0433663695.

The spelling of 96729991 in words is "ninety-six million, seven hundred twenty-nine thousand, nine hundred ninety-one".