8155946794 has 16 divisors (see below), whose sum is σ = 12280722120. Its totient is φ = 4062389760.

The previous prime is 8155946789. The next prime is 8155946797. The reversal of 8155946794 is 4976495518.

It can be written as a sum of positive squares in 4 ways, for example, as 6813677025 + 1342269769 = 82545^2 + 36637^2 .

Its product of digits (10886400) is a multiple of the sum of its prime divisors (8505).

It is not an unprimeable number, because it can be changed into a prime (8155946797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349772 + ... + 1355800.

Almost surely, 2^8155946794 is an apocalyptic number.

8155946794 is a deficient number, since it is larger than the sum of its proper divisors (4124775326).

8155946794 is a wasteful number, since it uses less digits than its factorization.

8155946794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505.

The product of its digits is 10886400, while the sum is 58.

The square root of 8155946794 is about 90310.2806661567. The cubic root of 8155946794 is about 2012.9120265602.

The spelling of 8155946794 in words is "eight billion, one hundred fifty-five million, nine hundred forty-six thousand, seven hundred ninety-four".