87829996349 has 2 divisors, whose sum is σ = 87829996350. Its totient is φ = 87829996348.

The previous prime is 87829996343. The next prime is 87829996357. The reversal of 87829996349 is 94369992878.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48801228100 + 39028768249 = 220910^2 + 197557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87829996349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87829996343) 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 as a sum of consecutive naturals, namely, 43914998174 + 43914998175.

It is an arithmetic number, because the mean of its divisors is an integer number (43914998175).

Almost surely, 2^87829996349 is an apocalyptic number.

It is an amenable number.

87829996349 is a deficient number, since it is larger than the sum of its proper divisors (1).

87829996349 is an equidigital number, since it uses as much as digits as its factorization.

87829996349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423263232, while the sum is 74.

The spelling of 87829996349 in words is "eighty-seven billion, eight hundred twenty-nine million, nine hundred ninety-six thousand, three hundred forty-nine".