85466623 has 4 divisors (see below), whose sum is σ = 93236328. Its totient is φ = 77696920.

The previous prime is 85466569. The next prime is 85466629. The reversal of 85466623 is 32666458.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85466623 - 2⁹ = 85466111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85466629) 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, 3884836 + ... + 3884857.

It is an arithmetic number, because the mean of its divisors is an integer number (23309082).

Almost surely, 2^85466623 is an apocalyptic number.

85466623 is a deficient number, since it is larger than the sum of its proper divisors (7769705).

85466623 is a wasteful number, since it uses less digits than its factorization.

85466623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769704.

The product of its digits is 207360, while the sum is 40.

The square root of 85466623 is about 9244.8160068224. The cubic root of 85466623 is about 440.4860726811.

The spelling of 85466623 in words is "eighty-five million, four hundred sixty-six thousand, six hundred twenty-three".