99352969857 has 6 divisors (see below), whose sum is σ = 143509845362. Its totient is φ = 66235313232.

The previous prime is 99352969853. The next prime is 99352969873. The reversal of 99352969857 is 75896925399.

It is a happy number.

99352969857 is a `hidden beast` number, since 9 + 9 + 3 + 529 + 6 + 98 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94513819761 + 4839150096 = 307431^2 + 69564^2 .

It is not a de Polignac number, because 99352969857 - 2² = 99352969853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99352969853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5519609428 + ... + 5519609445.

Almost surely, 2^99352969857 is an apocalyptic number.

It is an amenable number.

99352969857 is a deficient number, since it is larger than the sum of its proper divisors (44156875505).

99352969857 is a wasteful number, since it uses less digits than its factorization.

99352969857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039218879 (or 11039218876 counting only the distinct ones).

The product of its digits is 330674400, while the sum is 72.

It can be divided in two parts, 9935 and 2969857, that added together give a palindrome (2979792).

The spelling of 99352969857 in words is "ninety-nine billion, three hundred fifty-two million, nine hundred sixty-nine thousand, eight hundred fifty-seven".