99770098 has 8 divisors (see below), whose sum is σ = 151028460. Its totient is φ = 49427280.

The previous prime is 99770089. The next prime is 99770101. The reversal of 99770098 is 89007799.

It can be written as a sum of positive squares in 2 ways, for example, as 99740169 + 29929 = 9987^2 + 173^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228613 + ... + 229048.

Almost surely, 2^99770098 is an apocalyptic number.

99770098 is a deficient number, since it is larger than the sum of its proper divisors (51258362).

99770098 is a wasteful number, since it uses less digits than its factorization.

99770098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457772.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 99770098 is about 9988.4982855282. The cubic root of 99770098 is about 463.8029069041.

The spelling of 99770098 in words is "ninety-nine million, seven hundred seventy thousand, ninety-eight".