850698752 has 30 divisors (see below), whose sum is σ = 1701055653. Its totient is φ = 425019392.

The previous prime is 850698743. The next prime is 850698763. The reversal of 850698752 is 257896058.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 758231296 + 92467456 = 27536^2 + 9616^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20624.

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 850698752.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 659324 + ... + 660612.

Almost surely, 2^850698752 is an apocalyptic number.

It is an amenable number.

850698752 is a deficient number, since it is larger than the sum of its proper divisors (850356901).

850698752 is an frugal number, since it uses more digits than its factorization.

850698752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 850698752 is about 29166.7405103827. The cubic root of 850698752 is about 947.5277369045.

Multiplying 850698752 by its sum of digits (50), we get a square (42534937600 = 206240²).

The spelling of 850698752 in words is "eight hundred fifty million, six hundred ninety-eight thousand, seven hundred fifty-two".