783872648 has 16 divisors (see below), whose sum is σ = 1582819980. Its totient is φ = 361787328.

The previous prime is 783872641. The next prime is 783872657. The reversal of 783872648 is 846278387.

783872648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 621106084 + 162766564 = 24922^2 + 12758^2 .

It is a super-2 number, since 2×783872648² = 1228912656565063808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 783872648.

It is not an unprimeable number, because it can be changed into a prime (783872641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768515 + ... + 3768722.

Almost surely, 2^783872648 is an apocalyptic number.

It is an amenable number.

783872648 is an abundant number, since it is smaller than the sum of its proper divisors (798947332).

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

783872648 is a wasteful number, since it uses less digits than its factorization.

783872648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537256 (or 7537252 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 783872648 is about 27997.7257647831. The cubic root of 783872648 is about 922.0373281330.

The spelling of 783872648 in words is "seven hundred eighty-three million, eight hundred seventy-two thousand, six hundred forty-eight".