850770451 has 4 divisors (see below), whose sum is σ = 854330400. Its totient is φ = 847210504.

The previous prime is 850770443. The next prime is 850770463. The reversal of 850770451 is 154077058.

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

It is a cyclic number.

It is not a de Polignac number, because 850770451 - 2³ = 850770443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 850770451.

It is not an unprimeable number, because it can be changed into a prime (850770551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779616 + ... + 1780093.

It is an arithmetic number, because the mean of its divisors is an integer number (213582600).

Almost surely, 2^850770451 is an apocalyptic number.

850770451 is a deficient number, since it is larger than the sum of its proper divisors (3559949).

850770451 is a wasteful number, since it uses less digits than its factorization.

850770451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559948.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 850770451 is about 29167.9696070878. The cubic root of 850770451 is about 947.5543561523.

The spelling of 850770451 in words is "eight hundred fifty million, seven hundred seventy thousand, four hundred fifty-one".