869487784968 has 64 divisors (see below), whose sum is σ = 2435420358720. Its totient is φ = 256360032000.

The previous prime is 869487784967. The next prime is 869487784999.

869487784968 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×869487784968² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869487784967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44497183 + ... + 44516718.

It is an arithmetic number, because the mean of its divisors is an integer number (38053443105).

Almost surely, 2^869487784968 is an apocalyptic number.

869487784968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

869487784968 is an abundant number, since it is smaller than the sum of its proper divisors (1565932573752).

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

869487784968 is a wasteful number, since it uses less digits than its factorization.

869487784968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89013958 (or 89013954 counting only the distinct ones).

The product of its digits is 9364045824, while the sum is 84.

The spelling of 869487784968 in words is "eight hundred sixty-nine billion, four hundred eighty-seven million, seven hundred eighty-four thousand, nine hundred sixty-eight".