87543340541 has 16 divisors (see below), whose sum is σ = 93607733760. Its totient is φ = 81626790960.

The previous prime is 87543340513. The next prime is 87543340559. The reversal of 87543340541 is 14504334578.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87543340541 - 2¹⁸ = 87543078397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87543340492 and 87543340501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87543340141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461320 + ... + 1520046.

It is an arithmetic number, because the mean of its divisors is an integer number (5850483360).

Almost surely, 2^87543340541 is an apocalyptic number.

It is an amenable number.

87543340541 is a deficient number, since it is larger than the sum of its proper divisors (6064393219).

87543340541 is a wasteful number, since it uses less digits than its factorization.

87543340541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59984.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 87543340541 in words is "eighty-seven billion, five hundred forty-three million, three hundred forty thousand, five hundred forty-one".