869026560 has 288 divisors, whose sum is σ = 3000264960. Its totient is φ = 213663744.

The previous prime is 869026537. The next prime is 869026567. The reversal of 869026560 is 65620968.

It is not an unprimeable number, because it can be changed into a prime (869026567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3137142 + ... + 3137418.

Almost surely, 2^869026560 is an apocalyptic number.

869026560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500132480).

869026560 is an abundant number, since it is smaller than the sum of its proper divisors (2131238400).

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

869026560 is a wasteful number, since it uses less digits than its factorization.

869026560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 869026560 is about 29479.2564356702. The cubic root of 869026560 is about 954.2840901574.

The spelling of 869026560 in words is "eight hundred sixty-nine million, twenty-six thousand, five hundred sixty".