85918650 has 24 divisors (see below), whose sum is σ = 213078624. Its totient is φ = 22911600.

The previous prime is 85918649. The next prime is 85918673. The reversal of 85918650 is 5681958.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286246 + ... + 286545.

It is an arithmetic number, because the mean of its divisors is an integer number (8878276).

Almost surely, 2^85918650 is an apocalyptic number.

85918650 is an abundant number, since it is smaller than the sum of its proper divisors (127159974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85918650 is a wasteful number, since it uses less digits than its factorization.

85918650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572806 (or 572801 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 85918650 is about 9269.2313597191. The cubic root of 85918650 is about 441.2612743122.

It can be divided in two parts, 85918 and 650, that added together give a palindrome (86568).

The spelling of 85918650 in words is "eighty-five million, nine hundred eighteen thousand, six hundred fifty".