869028050 has 54 divisors (see below), whose sum is σ = 1781395749. Its totient is φ = 315176400.

The previous prime is 869028037. The next prime is 869028059. The reversal of 869028050 is 50820968.

It can be written as a sum of positive squares in 2 ways, for example, as 851647489 + 17380561 = 29183^2 + 4169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20845.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869027995 and 869028013.

It is not an unprimeable number, because it can be changed into a prime (869028059) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2292761 + ... + 2293139.

Almost surely, 2^869028050 is an apocalyptic number.

869028050 is an abundant number, since it is smaller than the sum of its proper divisors (912367699).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869028050 is a wasteful number, since it uses less digits than its factorization.

869028050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 869028050 is about 29479.2817076672. The cubic root of 869028050 is about 954.2846355502.

The spelling of 869028050 in words is "eight hundred sixty-nine million, twenty-eight thousand, fifty".