86943200177 has 4 divisors (see below), whose sum is σ = 89293016436. Its totient is φ = 84593383920.

The previous prime is 86943200173. The next prime is 86943200189. The reversal of 86943200177 is 77100234968.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69915821056 + 17027379121 = 264416^2 + 130489^2 .

It is a cyclic number.

It is not a de Polignac number, because 86943200177 - 2² = 86943200173 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86943200171) 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, 1174908074 + ... + 1174908147.

It is an arithmetic number, because the mean of its divisors is an integer number (22323254109).

Almost surely, 2^86943200177 is an apocalyptic number.

It is an amenable number.

86943200177 is a deficient number, since it is larger than the sum of its proper divisors (2349816259).

86943200177 is a wasteful number, since it uses less digits than its factorization.

86943200177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349816258.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 86943200177 in words is "eighty-six billion, nine hundred forty-three million, two hundred thousand, one hundred seventy-seven".