782621068488 has 128 divisors (see below), whose sum is σ = 2359680230400. Its totient is φ = 211303344384.

The previous prime is 782621068487. The next prime is 782621068529. The reversal of 782621068488 is 884860126287.

It is a super-2 number, since 2×782621068488² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (782621068483) 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, 958431 + ... + 1576017.

It is an arithmetic number, because the mean of its divisors is an integer number (18435001800).

Almost surely, 2^782621068488 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 782621068488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179840115200).

782621068488 is an abundant number, since it is smaller than the sum of its proper divisors (1577059161912).

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

782621068488 is a wasteful number, since it uses less digits than its factorization.

782621068488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618019 (or 618015 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 782621068488 in words is "seven hundred eighty-two billion, six hundred twenty-one million, sixty-eight thousand, four hundred eighty-eight".