872355650 has 12 divisors (see below), whose sum is σ = 1622581602. Its totient is φ = 348942240.

The previous prime is 872355643. The next prime is 872355677. The reversal of 872355650 is 56553278.

It can be written as a sum of positive squares in 3 ways, for example, as 823173481 + 49182169 = 28691^2 + 7013^2 .

It is a super-2 number, since 2×872355650² = 1522008760173845000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872355598 and 872355607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8723507 + ... + 8723606.

Almost surely, 2^872355650 is an apocalyptic number.

872355650 is a deficient number, since it is larger than the sum of its proper divisors (750225952).

872355650 is a wasteful number, since it uses less digits than its factorization.

872355650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17447125 (or 17447120 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 872355650 is about 29535.6674209336. The cubic root of 872355650 is about 955.5011030255.

The spelling of 872355650 in words is "eight hundred seventy-two million, three hundred fifty-five thousand, six hundred fifty".