806147912 has 8 divisors (see below), whose sum is σ = 1511527350. Its totient is φ = 403073952.

The previous prime is 806147893. The next prime is 806147917. The reversal of 806147912 is 219741608.

It can be written as a sum of positive squares in only one way, i.e., 799419076 + 6728836 = 28274^2 + 2594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (806147917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50384237 + ... + 50384252.

Almost surely, 2^806147912 is an apocalyptic number.

It is an amenable number.

806147912 is a deficient number, since it is larger than the sum of its proper divisors (705379438).

806147912 is a wasteful number, since it uses less digits than its factorization.

806147912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100768495 (or 100768491 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 806147912 is about 28392.7440026497. The cubic root of 806147912 is about 930.6897076649.

The spelling of 806147912 in words is "eight hundred six million, one hundred forty-seven thousand, nine hundred twelve".