85755856 has 10 divisors (see below), whose sum is σ = 166152002. Its totient is φ = 42877920.

The previous prime is 85755853. The next prime is 85755877. The reversal of 85755856 is 65855758.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 11451456 = 8620^2 + 3384^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85755853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2679855 + ... + 2679886.

Almost surely, 2^85755856 is an apocalyptic number.

It is an amenable number.

85755856 is a deficient number, since it is larger than the sum of its proper divisors (80396146).

85755856 is a wasteful number, since it uses less digits than its factorization.

85755856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359749 (or 5359743 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 49.

The square root of 85755856 is about 9260.4457776070. The cubic root of 85755856 is about 440.9824054628.

The spelling of 85755856 in words is "eighty-five million, seven hundred fifty-five thousand, eight hundred fifty-six".