99779822 has 8 divisors (see below), whose sum is σ = 150028200. Its totient is φ = 49770424.

The previous prime is 99779809. The next prime is 99779839. The reversal of 99779822 is 22897799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58697 + ... + 60372.

It is an arithmetic number, because the mean of its divisors is an integer number (18753525).

Almost surely, 2^99779822 is an apocalyptic number.

99779822 is a deficient number, since it is larger than the sum of its proper divisors (50248378).

99779822 is a wasteful number, since it uses less digits than its factorization.

99779822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119490.

The product of its digits is 1143072, while the sum is 53.

The square root of 99779822 is about 9988.9850335257. The cubic root of 99779822 is about 463.8179744545.

The spelling of 99779822 in words is "ninety-nine million, seven hundred seventy-nine thousand, eight hundred twenty-two".