85655763 has 24 divisors (see below), whose sum is σ = 128528400. Its totient is φ = 54903744.

The previous prime is 85655729. The next prime is 85655767. The reversal of 85655763 is 36755658.

It is not a de Polignac number, because 85655763 - 2¹⁰ = 85654739 is a prime.

It is a super-2 number, since 2×85655763² = 14673819470224338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85655767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79593 + ... + 80661.

It is an arithmetic number, because the mean of its divisors is an integer number (5355350).

Almost surely, 2^85655763 is an apocalyptic number.

85655763 is a deficient number, since it is larger than the sum of its proper divisors (42872637).

85655763 is a wasteful number, since it uses less digits than its factorization.

85655763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1408 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 85655763 is about 9255.0398702545. The cubic root of 85655763 is about 440.8107692310.

The spelling of 85655763 in words is "eighty-five million, six hundred fifty-five thousand, seven hundred sixty-three".