96819779 has 4 divisors (see below), whose sum is σ = 110651184. Its totient is φ = 82988376.

The previous prime is 96819769. The next prime is 96819797. The reversal of 96819779 is 97791869.

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 96819779 - 2⁸ = 96819523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (96819769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6915692 + ... + 6915705.

It is an arithmetic number, because the mean of its divisors is an integer number (27662796).

Almost surely, 2^96819779 is an apocalyptic number.

96819779 is a deficient number, since it is larger than the sum of its proper divisors (13831405).

96819779 is a wasteful number, since it uses less digits than its factorization.

96819779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13831404.

The product of its digits is 1714608, while the sum is 56.

The square root of 96819779 is about 9839.7042130340. The cubic root of 96819779 is about 459.1853555604.

The spelling of 96819779 in words is "ninety-six million, eight hundred nineteen thousand, seven hundred seventy-nine".