86704161 has 4 divisors (see below), whose sum is σ = 115605552. Its totient is φ = 57802772.

The previous prime is 86704153. The next prime is 86704243. The reversal of 86704161 is 16140768.

It is a happy number.

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 86704161 - 2³ = 86704153 is a prime.

It is a super-2 number, since 2×86704161² = 15035223069427842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86704141) 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, 14450691 + ... + 14450696.

It is an arithmetic number, because the mean of its divisors is an integer number (28901388).

Almost surely, 2^86704161 is an apocalyptic number.

It is an amenable number.

86704161 is a deficient number, since it is larger than the sum of its proper divisors (28901391).

86704161 is a wasteful number, since it uses less digits than its factorization.

86704161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28901390.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 86704161 is about 9311.5069134915. The cubic root of 86704161 is about 442.6019401897.

The spelling of 86704161 in words is "eighty-six million, seven hundred four thousand, one hundred sixty-one".