99355657 has 4 divisors (see below), whose sum is σ = 99611460. Its totient is φ = 99099856.

The previous prime is 99355649. The next prime is 99355673. The reversal of 99355657 is 75655399.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75655399 = 71 ⋅1065569.

It can be written as a sum of positive squares in 2 ways, for example, as 39200121 + 60155536 = 6261^2 + 7756^2 .

It is a cyclic number.

It is not a de Polignac number, because 99355657 - 2³ = 99355649 is a prime.

It is a super-3 number, since 3×99355657³ (a number of 25 digits) contains 333 as substring.

It is a pancake number, because a pancake can be divided into 99355657 parts by 14096 straight cuts.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99355657.

It is not an unprimeable number, because it can be changed into a prime (99355687) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 127318 + ... + 128095.

It is an arithmetic number, because the mean of its divisors is an integer number (24902865).

Almost surely, 2^99355657 is an apocalyptic number.

It is an amenable number.

99355657 is a deficient number, since it is larger than the sum of its proper divisors (255803).

99355657 is a wasteful number, since it uses less digits than its factorization.

99355657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255802.

The product of its digits is 1275750, while the sum is 49.

The square root of 99355657 is about 9967.7307848878. The cubic root of 99355657 is about 463.1598093664.

The spelling of 99355657 in words is "ninety-nine million, three hundred fifty-five thousand, six hundred fifty-seven".