87243543241 has 8 divisors (see below), whose sum is σ = 88303892544. Its totient is φ = 86183413680.

The previous prime is 87243543197. The next prime is 87243543269. The reversal of 87243543241 is 14234534278.

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 87243543241 - 2¹¹ = 87243541193 is a prime.

It is a super-2 number, since 2×87243543241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87243543841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829956 + ... + 929146.

It is an arithmetic number, because the mean of its divisors is an integer number (11037986568).

Almost surely, 2^87243543241 is an apocalyptic number.

It is an amenable number.

87243543241 is a deficient number, since it is larger than the sum of its proper divisors (1060349303).

87243543241 is a wasteful number, since it uses less digits than its factorization.

87243543241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109871.

The product of its digits is 645120, while the sum is 43.

The spelling of 87243543241 in words is "eighty-seven billion, two hundred forty-three million, five hundred forty-three thousand, two hundred forty-one".