85543930 has 8 divisors (see below), whose sum is σ = 153979092. Its totient is φ = 34217568.

The previous prime is 85543919. The next prime is 85543933. The reversal of 85543930 is 3934558.

It can be written as a sum of positive squares in 2 ways, for example, as 74805201 + 10738729 = 8649^2 + 3277^2 .

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 85543930.

It is not an unprimeable number, because it can be changed into a prime (85543933) 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, 4277187 + ... + 4277206.

Almost surely, 2^85543930 is an apocalyptic number.

85543930 is a deficient number, since it is larger than the sum of its proper divisors (68435162).

85543930 is a wasteful number, since it uses less digits than its factorization.

85543930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554400.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 85543930 is about 9248.9961617464. The cubic root of 85543930 is about 440.6188433994.

The spelling of 85543930 in words is "eighty-five million, five hundred forty-three thousand, nine hundred thirty".