806248477988 has 12 divisors (see below), whose sum is σ = 1411128245772. Its totient is φ = 403068979200.

The previous prime is 806248477913. The next prime is 806248478011. The reversal of 806248477988 is 889774842608.

It can be written as a sum of positive squares in 2 ways, for example, as 495176801344 + 311071676644 = 703688^2 + 557738^2 .

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, 13782113 + ... + 13840488.

It is an arithmetic number, because the mean of its divisors is an integer number (117594020481).

Almost surely, 2^806248477988 is an apocalyptic number.

It is an amenable number.

806248477988 is a deficient number, since it is larger than the sum of its proper divisors (604879767784).

806248477988 is a wasteful number, since it uses less digits than its factorization.

806248477988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27629902 (or 27629900 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 71.

The spelling of 806248477988 in words is "eight hundred six billion, two hundred forty-eight million, four hundred seventy-seven thousand, nine hundred eighty-eight".