800078706 has 48 divisors (see below), whose sum is σ = 1987574784. Its totient is φ = 227852352.

The previous prime is 800078689. The next prime is 800078707. The reversal of 800078706 is 607870008.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (800078707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29295 + ... + 49581.

It is an arithmetic number, because the mean of its divisors is an integer number (41407808).

Almost surely, 2^800078706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800078706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993787392).

800078706 is an abundant number, since it is smaller than the sum of its proper divisors (1187496078).

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

800078706 is a wasteful number, since it uses less digits than its factorization.

800078706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20615 (or 20612 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 800078706 is about 28285.6625519007. The cubic root of 800078706 is about 928.3482091318.

The spelling of 800078706 in words is "eight hundred million, seventy-eight thousand, seven hundred six".