87675205243 has 4 divisors (see below), whose sum is σ = 88200206640. Its totient is φ = 87150203848.

The previous prime is 87675205213. The next prime is 87675205271. The reversal of 87675205243 is 34250257678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87675205243 is a prime.

It is a super-2 number, since 2×87675205243² (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 (87675205213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262500448 + ... + 262500781.

It is an arithmetic number, because the mean of its divisors is an integer number (22050051660).

Almost surely, 2^87675205243 is an apocalyptic number.

87675205243 is a deficient number, since it is larger than the sum of its proper divisors (525001397).

87675205243 is a wasteful number, since it uses less digits than its factorization.

87675205243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525001396.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 87675205243 in words is "eighty-seven billion, six hundred seventy-five million, two hundred five thousand, two hundred forty-three".