99779248 has 10 divisors (see below), whose sum is σ = 193322324. Its totient is φ = 49889616.

The previous prime is 99779243. The next prime is 99779257. The reversal of 99779248 is 84297799.

It is not an unprimeable number, because it can be changed into a prime (99779243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3118086 + ... + 3118117.

Almost surely, 2^99779248 is an apocalyptic number.

It is an amenable number.

99779248 is a deficient number, since it is larger than the sum of its proper divisors (93543076).

99779248 is a wasteful number, since it uses less digits than its factorization.

99779248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236211 (or 6236205 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 55.

The square root of 99779248 is about 9988.9563018365. The cubic root of 99779248 is about 463.8170850562.

The spelling of 99779248 in words is "ninety-nine million, seven hundred seventy-nine thousand, two hundred forty-eight".