87075161 has 4 divisors (see below), whose sum is σ = 88927872. Its totient is φ = 85222452.

The previous prime is 87075127. The next prime is 87075169. The reversal of 87075161 is 16157078.

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.

It is a cyclic number.

It is not a de Polignac number, because 87075161 - 2¹⁰ = 87074137 is a prime.

It is a super-5 number, since 5×87075161⁵ (a number of 41 digits) contains 55555 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87075169) 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, 926285 + ... + 926378.

It is an arithmetic number, because the mean of its divisors is an integer number (22231968).

Almost surely, 2^87075161 is an apocalyptic number.

It is an amenable number.

87075161 is a deficient number, since it is larger than the sum of its proper divisors (1852711).

87075161 is a wasteful number, since it uses less digits than its factorization.

87075161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852710.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 87075161 is about 9331.4072357817. The cubic root of 87075161 is about 443.2323277284.

The spelling of 87075161 in words is "eighty-seven million, seventy-five thousand, one hundred sixty-one".