87672292443871 has 8 divisors (see below), whose sum is σ = 87745384701824. Its totient is φ = 87599201531040.

The previous prime is 87672292443817. The next prime is 87672292443881. The reversal of 87672292443871 is 17834429227678.

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 not a de Polignac number, because 87672292443871 - 2⁴¹ = 85473269188319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87672292443871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87672292443881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163094866 + ... + 163631536.

It is an arithmetic number, because the mean of its divisors is an integer number (10968173087728).

Almost surely, 2^{87672292443871} is an apocalyptic number.

87672292443871 is a deficient number, since it is larger than the sum of its proper divisors (73092257953).

87672292443871 is a wasteful number, since it uses less digits than its factorization.

87672292443871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672561.

The product of its digits is 455196672, while the sum is 70.

The spelling of 87672292443871 in words is "eighty-seven trillion, six hundred seventy-two billion, two hundred ninety-two million, four hundred forty-three thousand, eight hundred seventy-one".