806575077740 has 12 divisors (see below), whose sum is σ = 1693807663296. Its totient is φ = 322630031088.

The previous prime is 806575077733. The next prime is 806575077751. The reversal of 806575077740 is 47770575608.

It is a happy number.

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, 20164376924 + ... + 20164376963.

It is an arithmetic number, because the mean of its divisors is an integer number (141150638608).

Almost surely, 2^806575077740 is an apocalyptic number.

It is an amenable number.

806575077740 is an abundant number, since it is smaller than the sum of its proper divisors (887232585556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806575077740 is a wasteful number, since it uses less digits than its factorization.

806575077740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328753896 (or 40328753894 counting only the distinct ones).

The product of its (nonzero) digits is 11524800, while the sum is 56.

The spelling of 806575077740 in words is "eight hundred six billion, five hundred seventy-five million, seventy-seven thousand, seven hundred forty".