87168601 has 4 divisors (see below), whose sum is σ = 93873892. Its totient is φ = 80463312.

The previous prime is 87168593. The next prime is 87168607. The reversal of 87168601 is 10686178.

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 5736025 + 81432576 = 2395^2 + 9024^2 .

It is a cyclic number.

It is not a de Polignac number, because 87168601 - 2³ = 87168593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87168607) 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, 3352626 + ... + 3352651.

It is an arithmetic number, because the mean of its divisors is an integer number (23468473).

Almost surely, 2^87168601 is an apocalyptic number.

It is an amenable number.

87168601 is a deficient number, since it is larger than the sum of its proper divisors (6705291).

87168601 is a wasteful number, since it uses less digits than its factorization.

87168601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705290.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 87168601 is about 9336.4126408380. The cubic root of 87168601 is about 443.3908146522.

The spelling of 87168601 in words is "eighty-seven million, one hundred sixty-eight thousand, six hundred one".