869800048 has 80 divisors (see below), whose sum is σ = 1867130496. Its totient is φ = 390021120.

The previous prime is 869799991. The next prime is 869800049. The reversal of 869800048 is 840008968.

It is a junction number, because it is equal to n+sod(n) for n = 869799977 and 869800013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869800049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886538 + ... + 1886998.

Almost surely, 2^869800048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869800048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933565248).

869800048 is an abundant number, since it is smaller than the sum of its proper divisors (997330448).

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

869800048 is a wasteful number, since it uses less digits than its factorization.

869800048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 869800048 is about 29492.3727088886. The cubic root of 869800048 is about 954.5671303778.

The spelling of 869800048 in words is "eight hundred sixty-nine million, eight hundred thousand, forty-eight".