850154728 has 8 divisors (see below), whose sum is σ = 1594040130. Its totient is φ = 425077360.

The previous prime is 850154713. The next prime is 850154729. The reversal of 850154728 is 827451058.

It can be written as a sum of positive squares in only one way, i.e., 819218884 + 30935844 = 28622^2 + 5562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (850154729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53134663 + ... + 53134678.

Almost surely, 2^850154728 is an apocalyptic number.

It is an amenable number.

850154728 is a deficient number, since it is larger than the sum of its proper divisors (743885402).

850154728 is a wasteful number, since it uses less digits than its factorization.

850154728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106269347 (or 106269343 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 850154728 is about 29157.4129167867. The cubic root of 850154728 is about 947.3257117064.

The spelling of 850154728 in words is "eight hundred fifty million, one hundred fifty-four thousand, seven hundred twenty-eight".