864094794771 has 64 divisors (see below), whose sum is σ = 1314668526080. Its totient is φ = 500447185920.

The previous prime is 864094794767. The next prime is 864094794803. The reversal of 864094794771 is 177497490468.

It is not a de Polignac number, because 864094794771 - 2² = 864094794767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864094794721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150615015 + ... + 150620751.

It is an arithmetic number, because the mean of its divisors is an integer number (20541695720).

Almost surely, 2^864094794771 is an apocalyptic number.

864094794771 is a deficient number, since it is larger than the sum of its proper divisors (450573731309).

864094794771 is a wasteful number, since it uses less digits than its factorization.

864094794771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076.

The product of its (nonzero) digits is 85349376, while the sum is 66.

The spelling of 864094794771 in words is "eight hundred sixty-four billion, ninety-four million, seven hundred ninety-four thousand, seven hundred seventy-one".