85511914 has 8 divisors (see below), whose sum is σ = 128352420. Its totient is φ = 42727776.

The previous prime is 85511897. The next prime is 85511929. The reversal of 85511914 is 41911558.

It can be written as a sum of positive squares in 2 ways, for example, as 50168889 + 35343025 = 7083^2 + 5945^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 85511914.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10069 + ... + 16504.

Almost surely, 2^85511914 is an apocalyptic number.

85511914 is a deficient number, since it is larger than the sum of its proper divisors (42840506).

85511914 is a wasteful number, since it uses less digits than its factorization.

85511914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28184.

The product of its digits is 7200, while the sum is 34.

The square root of 85511914 is about 9247.2652173494. The cubic root of 85511914 is about 440.5638673064.

It can be divided in two parts, 855 and 11914, that added together give a square (12769 = 113²).

The spelling of 85511914 in words is "eighty-five million, five hundred eleven thousand, nine hundred fourteen".