87832908161 has 2 divisors, whose sum is σ = 87832908162. Its totient is φ = 87832908160.

The previous prime is 87832908157. The next prime is 87832908193. The reversal of 87832908161 is 16180923878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81179406400 + 6653501761 = 284920^2 + 81569^2 .

It is a cyclic number.

It is not a de Polignac number, because 87832908161 - 2² = 87832908157 is a prime.

It is not a weakly prime, because it can be changed into another prime (87832908131) 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, 43916454080 + 43916454081.

It is an arithmetic number, because the mean of its divisors is an integer number (43916454081).

Almost surely, 2^87832908161 is an apocalyptic number.

It is an amenable number.

87832908161 is a deficient number, since it is larger than the sum of its proper divisors (1).

87832908161 is an equidigital number, since it uses as much as digits as its factorization.

87832908161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 87832908161 in words is "eighty-seven billion, eight hundred thirty-two million, nine hundred eight thousand, one hundred sixty-one".