85562861 has 4 divisors (see below), whose sum is σ = 85584924. Its totient is φ = 85540800.

The previous prime is 85562801. The next prime is 85562903. The reversal of 85562861 is 16826558.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77616100 + 7946761 = 8810^2 + 2819^2 .

It is a cyclic number.

It is not a de Polignac number, because 85562861 - 2⁶ = 85562797 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 (85562801) 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, 3500 + ... + 13541.

It is an arithmetic number, because the mean of its divisors is an integer number (21396231).

Almost surely, 2^85562861 is an apocalyptic number.

It is an amenable number.

85562861 is a deficient number, since it is larger than the sum of its proper divisors (22063).

85562861 is a wasteful number, since it uses less digits than its factorization.

85562861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062.

The product of its digits is 115200, while the sum is 41.

The square root of 85562861 is about 9250.0195134929. The cubic root of 85562861 is about 440.6513442056.

The spelling of 85562861 in words is "eighty-five million, five hundred sixty-two thousand, eight hundred sixty-one".