99757706626 has 16 divisors (see below), whose sum is σ = 150138197496. Its totient is φ = 49711850496.

The previous prime is 99757706623. The next prime is 99757706663. The reversal of 99757706626 is 62660775799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99593892225 + 163814401 = 315585^2 + 12799^2 .

It is not an unprimeable number, because it can be changed into a prime (99757706623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 914680 + ... + 1017916.

Almost surely, 2^99757706626 is an apocalyptic number.

99757706626 is a deficient number, since it is larger than the sum of its proper divisors (50380490870).

99757706626 is a wasteful number, since it uses less digits than its factorization.

99757706626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104853.

The product of its (nonzero) digits is 60011280, while the sum is 64.

The spelling of 99757706626 in words is "ninety-nine billion, seven hundred fifty-seven million, seven hundred six thousand, six hundred twenty-six".