85667630 has 16 divisors (see below), whose sum is σ = 154544544. Its totient is φ = 34190880.

The previous prime is 85667629. The next prime is 85667651. The reversal of 85667630 is 3676658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4682 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (9659034).

Almost surely, 2^85667630 is an apocalyptic number.

85667630 is a deficient number, since it is larger than the sum of its proper divisors (68876914).

85667630 is a wasteful number, since it uses less digits than its factorization.

85667630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19051.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 85667630 is about 9255.6809582008. The cubic root of 85667630 is about 440.8311253621.

It can be divided in two parts, 856 and 67630, that added together give a palindrome (68486).

The spelling of 85667630 in words is "eighty-five million, six hundred sixty-seven thousand, six hundred thirty".