87340034381681 has 8 divisors (see below), whose sum is σ = 87440437740480. Its totient is φ = 87239682823248.

The previous prime is 87340034381659. The next prime is 87340034381711. The reversal of 87340034381681 is 18618343004378.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87340034381681 is a prime.

It is a super-2 number, since 2×87340034381681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87340034381381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9575471 + ... + 16320836.

It is an arithmetic number, because the mean of its divisors is an integer number (10930054717560).

Almost surely, 2^{87340034381681} is an apocalyptic number.

It is an amenable number.

87340034381681 is a deficient number, since it is larger than the sum of its proper divisors (100403358799).

87340034381681 is a wasteful number, since it uses less digits than its factorization.

87340034381681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900183.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 87340034381681 in words is "eighty-seven trillion, three hundred forty billion, thirty-four million, three hundred eighty-one thousand, six hundred eighty-one".