8164623794 has 8 divisors (see below), whose sum is σ = 12384541980. Its totient is φ = 4036443136.

The previous prime is 8164623781. The next prime is 8164623799. The reversal of 8164623794 is 4973264618.

It can be written as a sum of positive squares in 2 ways, for example, as 8138746225 + 25877569 = 90215^2 + 5087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8164623794² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8164623799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22934159 + ... + 22934514.

Almost surely, 2^8164623794 is an apocalyptic number.

8164623794 is a deficient number, since it is larger than the sum of its proper divisors (4219918186).

8164623794 is a wasteful number, since it uses less digits than its factorization.

8164623794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45868764.

The product of its digits is 1741824, while the sum is 50.

The square root of 8164623794 is about 90358.3078305476. The cubic root of 8164623794 is about 2013.6256100674.

The spelling of 8164623794 in words is "eight billion, one hundred sixty-four million, six hundred twenty-three thousand, seven hundred ninety-four".