87178337411 has 4 divisors (see below), whose sum is σ = 95103640824. Its totient is φ = 79253034000.

The previous prime is 87178337399. The next prime is 87178337417. The reversal of 87178337411 is 11473387178.

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

It is a cyclic number.

It is not a de Polignac number, because 87178337411 - 2¹⁸ = 87178075267 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 87178337411.

It is not an unprimeable number, because it can be changed into a prime (87178337417) 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, 3962651690 + ... + 3962651711.

It is an arithmetic number, because the mean of its divisors is an integer number (23775910206).

Almost surely, 2^87178337411 is an apocalyptic number.

87178337411 is a deficient number, since it is larger than the sum of its proper divisors (7925303413).

87178337411 is a wasteful number, since it uses less digits than its factorization.

87178337411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925303412.

The product of its digits is 790272, while the sum is 50.

The spelling of 87178337411 in words is "eighty-seven billion, one hundred seventy-eight million, three hundred thirty-seven thousand, four hundred eleven".