85872706 has 4 divisors (see below), whose sum is σ = 128809062. Its totient is φ = 42936352.

The previous prime is 85872691. The next prime is 85872719. The reversal of 85872706 is 60727858.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72948681 + 12924025 = 8541^2 + 3595^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21468175 + ... + 21468178.

Almost surely, 2^85872706 is an apocalyptic number.

85872706 is a deficient number, since it is larger than the sum of its proper divisors (42936356).

85872706 is a wasteful number, since it uses less digits than its factorization.

85872706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42936355.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 85872706 is about 9266.7527214230. The cubic root of 85872706 is about 441.1826071749.

The spelling of 85872706 in words is "eighty-five million, eight hundred seventy-two thousand, seven hundred six".