99655828 has 6 divisors (see below), whose sum is σ = 174397706. Its totient is φ = 49827912.

The previous prime is 99655771. The next prime is 99655873. The reversal of 99655828 is 82855699.

It can be written as a sum of positive squares in only one way, i.e., 90402064 + 9253764 = 9508^2 + 3042^2 .

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 as a sum of consecutive naturals, namely, 12456975 + ... + 12456982.

Almost surely, 2^99655828 is an apocalyptic number.

It is an amenable number.

99655828 is a deficient number, since it is larger than the sum of its proper divisors (74741878).

99655828 is a wasteful number, since it uses less digits than its factorization.

99655828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24913961 (or 24913959 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The square root of 99655828 is about 9982.7765676689. The cubic root of 99655828 is about 463.6257696460.

The spelling of 99655828 in words is "ninety-nine million, six hundred fifty-five thousand, eight hundred twenty-eight".