99578152 has 8 divisors (see below), whose sum is σ = 186709050. Its totient is φ = 49789072.

The previous prime is 99578119. The next prime is 99578173. The reversal of 99578152 is 25187599.

It can be written as a sum of positive squares in only one way, i.e., 98525476 + 1052676 = 9926^2 + 1026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6223627 + ... + 6223642.

Almost surely, 2^99578152 is an apocalyptic number.

It is an amenable number.

99578152 is a deficient number, since it is larger than the sum of its proper divisors (87130898).

99578152 is a wasteful number, since it uses less digits than its factorization.

99578152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447275 (or 12447271 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 99578152 is about 9978.8853084901. The cubic root of 99578152 is about 463.5052817740.

The spelling of 99578152 in words is "ninety-nine million, five hundred seventy-eight thousand, one hundred fifty-two".