782812268 has 48 divisors (see below), whose sum is σ = 1660560384. Its totient is φ = 315627840.

The previous prime is 782812241. The next prime is 782812271. The reversal of 782812268 is 862218287.

It is a super-2 number, since 2×782812268² = 1225590093862607648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29321 + ... + 49247.

It is an arithmetic number, because the mean of its divisors is an integer number (34595008).

Almost surely, 2^782812268 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 782812268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830280192).

782812268 is an abundant number, since it is smaller than the sum of its proper divisors (877748116).

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

782812268 is a wasteful number, since it uses less digits than its factorization.

782812268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022 (or 20020 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 782812268 is about 27978.7824610007. The cubic root of 782812268 is about 921.6213799811.

The spelling of 782812268 in words is "seven hundred eighty-two million, eight hundred twelve thousand, two hundred sixty-eight".