812065892 has 12 divisors (see below), whose sum is σ = 1550307696. Its totient is φ = 369120840.

The previous prime is 812065883. The next prime is 812065901. The reversal of 812065892 is 298560218.

It is an interprime number because it is at equal distance from previous prime (812065883) and next prime (812065901).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9227978 + ... + 9228065.

It is an arithmetic number, because the mean of its divisors is an integer number (129192308).

Almost surely, 2^812065892 is an apocalyptic number.

It is an amenable number.

812065892 is a deficient number, since it is larger than the sum of its proper divisors (738241804).

812065892 is a wasteful number, since it uses less digits than its factorization.

812065892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456058 (or 18456056 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 812065892 is about 28496.7698520376. The cubic root of 812065892 is about 932.9615736546.

The spelling of 812065892 in words is "eight hundred twelve million, sixty-five thousand, eight hundred ninety-two".