85774666963 has 4 divisors (see below), whose sum is σ = 86152529160. Its totient is φ = 85396804768.

The previous prime is 85774666933. The next prime is 85774666969. The reversal of 85774666963 is 36966647758.

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

It is a cyclic number.

It is not a de Polignac number, because 85774666963 - 2²⁵ = 85741112531 is a prime.

It is a super-2 number, since 2×85774666963² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85774666969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188930758 + ... + 188931211.

It is an arithmetic number, because the mean of its divisors is an integer number (21538132290).

Almost surely, 2^85774666963 is an apocalyptic number.

85774666963 is a deficient number, since it is larger than the sum of its proper divisors (377862197).

85774666963 is a wasteful number, since it uses less digits than its factorization.

85774666963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377862196.

The product of its digits is 274337280, while the sum is 67.

The spelling of 85774666963 in words is "eighty-five billion, seven hundred seventy-four million, six hundred sixty-six thousand, nine hundred sixty-three".