850820354 has 4 divisors (see below), whose sum is σ = 1276230534. Its totient is φ = 425410176.

The previous prime is 850820353. The next prime is 850820359. The reversal of 850820354 is 453028058.

850820354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 828000625 + 22819729 = 28775^2 + 4777^2 .

It is not an unprimeable number, because it can be changed into a prime (850820353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212705087 + ... + 212705090.

Almost surely, 2^850820354 is an apocalyptic number.

850820354 is a deficient number, since it is larger than the sum of its proper divisors (425410180).

850820354 is a wasteful number, since it uses less digits than its factorization.

850820354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425410179.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 850820354 is about 29168.8250363295. The cubic root of 850820354 is about 947.5728824502.

The spelling of 850820354 in words is "eight hundred fifty million, eight hundred twenty thousand, three hundred fifty-four".