96278991 has 4 divisors (see below), whose sum is σ = 128371992. Its totient is φ = 64185992.

The previous prime is 96278981. The next prime is 96278993. The reversal of 96278991 is 19987269.

It is a happy number.

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 96278991 - 2⁷ = 96278863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96278993) 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, 16046496 + ... + 16046501.

It is an arithmetic number, because the mean of its divisors is an integer number (32092998).

Almost surely, 2^96278991 is an apocalyptic number.

96278991 is a deficient number, since it is larger than the sum of its proper divisors (32093001).

96278991 is a wasteful number, since it uses less digits than its factorization.

96278991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32093000.

The product of its digits is 489888, while the sum is 51.

The square root of 96278991 is about 9812.1858421047. The cubic root of 96278991 is about 458.3288304865.

The spelling of 96278991 in words is "ninety-six million, two hundred seventy-eight thousand, nine hundred ninety-one".