850342105 has 4 divisors (see below), whose sum is σ = 1020410532. Its totient is φ = 680273680.

The previous prime is 850342099. The next prime is 850342133. The reversal of 850342105 is 501243058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501243058 = 2 ⋅250621529.

It can be written as a sum of positive squares in 2 ways, for example, as 668119104 + 182223001 = 25848^2 + 13499^2 .

It is not a de Polignac number, because 850342105 - 2¹⁹ = 849817817 is a prime.

It is a Duffinian number.

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, 85034206 + ... + 85034215.

It is an arithmetic number, because the mean of its divisors is an integer number (255102633).

Almost surely, 2^850342105 is an apocalyptic number.

It is an amenable number.

850342105 is a deficient number, since it is larger than the sum of its proper divisors (170068427).

850342105 is a wasteful number, since it uses less digits than its factorization.

850342105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170068426.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 850342105 is about 29160.6259363547. The cubic root of 850342105 is about 947.3953045325.

The spelling of 850342105 in words is "eight hundred fifty million, three hundred forty-two thousand, one hundred five".