85700161 has 8 divisors (see below), whose sum is σ = 87845120. Its totient is φ = 83562192.

The previous prime is 85700159. The next prime is 85700171. The reversal of 85700161 is 16100758.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85700161 - 2¹ = 85700159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85700101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30160 + ... + 32878.

It is an arithmetic number, because the mean of its divisors is an integer number (10980640).

Almost surely, 2^85700161 is an apocalyptic number.

It is an amenable number.

85700161 is a deficient number, since it is larger than the sum of its proper divisors (2144959).

85700161 is a wasteful number, since it uses less digits than its factorization.

85700161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 85700161 is about 9257.4381445409. The cubic root of 85700161 is about 440.8869179740.

The spelling of 85700161 in words is "eighty-five million, seven hundred thousand, one hundred sixty-one".