850726805 has 16 divisors (see below), whose sum is σ = 1090649280. Its totient is φ = 635133312.

The previous prime is 850726787. The next prime is 850726813. The reversal of 850726805 is 508627058.

It is a cyclic number.

It is not a de Polignac number, because 850726805 - 2⁶ = 850726741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60464 + ... + 73193.

It is an arithmetic number, because the mean of its divisors is an integer number (68165580).

Almost surely, 2^850726805 is an apocalyptic number.

It is an amenable number.

850726805 is a deficient number, since it is larger than the sum of its proper divisors (239922475).

850726805 is a wasteful number, since it uses less digits than its factorization.

850726805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133748.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 850726805 is about 29167.2214137720. The cubic root of 850726805 is about 947.5381521478.

The spelling of 850726805 in words is "eight hundred fifty million, seven hundred twenty-six thousand, eight hundred five".