810064936 has 32 divisors (see below), whose sum is σ = 1531585440. Its totient is φ = 401658048.

The previous prime is 810064919. The next prime is 810064949. The reversal of 810064936 is 639460018.

It is a junction number, because it is equal to n+sod(n) for n = 810064895 and 810064904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556786 + ... + 558238.

It is an arithmetic number, because the mean of its divisors is an integer number (47862045).

Almost surely, 2^810064936 is an apocalyptic number.

It is an amenable number.

810064936 is a deficient number, since it is larger than the sum of its proper divisors (721520504).

810064936 is a wasteful number, since it uses less digits than its factorization.

810064936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 810064936 is about 28461.6397278864. The cubic root of 810064936 is about 932.1946611514.

The spelling of 810064936 in words is "eight hundred ten million, sixty-four thousand, nine hundred thirty-six".