869404968 has 128 divisors (see below), whose sum is σ = 2540160000. Its totient is φ = 274988736.

The previous prime is 869404967. The next prime is 869404979.

869404968 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (869404967) 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, 689923 + ... + 691181.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^869404968 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 869404968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080000).

869404968 is an abundant number, since it is smaller than the sum of its proper divisors (1670755032).

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

869404968 is a wasteful number, since it uses less digits than its factorization.

869404968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 869404968 is about 29485.6739451551. The cubic root of 869404968 is about 954.4225808740.

The spelling of 869404968 in words is "eight hundred sixty-nine million, four hundred four thousand, nine hundred sixty-eight".