99779608 has 16 divisors (see below), whose sum is σ = 191438280. Its totient is φ = 48729408.

The previous prime is 99779599. The next prime is 99779611. The reversal of 99779608 is 80697799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144685 + ... + 145372.

Almost surely, 2^99779608 is an apocalyptic number.

It is an amenable number.

99779608 is a deficient number, since it is larger than the sum of its proper divisors (91658672).

99779608 is a wasteful number, since it uses less digits than its factorization.

99779608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290106 (or 290102 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 99779608 is about 9988.9743217209. The cubic root of 99779608 is about 463.8176428674.

The spelling of 99779608 in words is "ninety-nine million, seven hundred seventy-nine thousand, six hundred eight".