99932786469 has 12 divisors (see below), whose sum is σ = 147070893996. Its totient is φ = 65364841152.

The previous prime is 99932786449. The next prime is 99932786501. The reversal of 99932786469 is 96468723999.

99932786469 is a `hidden beast` number, since 9 + 9 + 93 + 2 + 78 + 6 + 469 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88119922500 + 11812863969 = 296850^2 + 108687^2 .

It is not a de Polignac number, because 99932786469 - 2⁹ = 99932785957 is a prime.

It is a super-2 number, since 2×99932786469² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99932786397 and 99932786406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99932786449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104750872 + ... + 104751825.

It is an arithmetic number, because the mean of its divisors is an integer number (12255907833).

Almost surely, 2^99932786469 is an apocalyptic number.

It is an amenable number.

99932786469 is a deficient number, since it is larger than the sum of its proper divisors (47138107527).

99932786469 is a wasteful number, since it uses less digits than its factorization.

99932786469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209502756 (or 209502753 counting only the distinct ones).

The product of its digits is 317447424, while the sum is 72.

The spelling of 99932786469 in words is "ninety-nine billion, nine hundred thirty-two million, seven hundred eighty-six thousand, four hundred sixty-nine".