800649950 has 12 divisors (see below), whose sum is σ = 1489209000. Its totient is φ = 320259960.

The previous prime is 800649947. The next prime is 800649973. The reversal of 800649950 is 59946008.

It is a junction number, because it is equal to n+sod(n) for n = 800649898 and 800649907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8006450 + ... + 8006549.

It is an arithmetic number, because the mean of its divisors is an integer number (124100750).

Almost surely, 2^800649950 is an apocalyptic number.

800649950 is a deficient number, since it is larger than the sum of its proper divisors (688559050).

800649950 is a wasteful number, since it uses less digits than its factorization.

800649950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16013011 (or 16013006 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 800649950 is about 28295.7585160745. The cubic root of 800649950 is about 928.5690987262.

The spelling of 800649950 in words is "eight hundred million, six hundred forty-nine thousand, nine hundred fifty".