87183601 has 4 divisors (see below), whose sum is σ = 87202672. Its totient is φ = 87164532.

The previous prime is 87183583. The next prime is 87183617. The reversal of 87183601 is 10638178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10638178 = 2 ⋅5319089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87183601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87183631) 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, 1870 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (21800668).

Almost surely, 2^87183601 is an apocalyptic number.

It is an amenable number.

87183601 is a deficient number, since it is larger than the sum of its proper divisors (19071).

87183601 is a wasteful number, since it uses less digits than its factorization.

87183601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 87183601 is about 9337.2159126798. The cubic root of 87183601 is about 443.4162461367.

The spelling of 87183601 in words is "eighty-seven million, one hundred eighty-three thousand, six hundred one".