99779366 has 8 divisors (see below), whose sum is σ = 149923224. Its totient is φ = 49804960.

The previous prime is 99779321. The next prime is 99779369. The reversal of 99779366 is 66397799.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99779369) 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, 40880 + ... + 43251.

It is an arithmetic number, because the mean of its divisors is an integer number (18740403).

Almost surely, 2^99779366 is an apocalyptic number.

99779366 is a deficient number, since it is larger than the sum of its proper divisors (50143858).

99779366 is a wasteful number, since it uses less digits than its factorization.

99779366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84726.

The product of its digits is 3857868, while the sum is 56.

The square root of 99779366 is about 9988.9622083578. The cubic root of 99779366 is about 463.8172678944.

The spelling of 99779366 in words is "ninety-nine million, seven hundred seventy-nine thousand, three hundred sixty-six".