783888225 has 48 divisors (see below), whose sum is σ = 1397618880. Its totient is φ = 386380800.

The previous prime is 783888211. The next prime is 783888233. The reversal of 783888225 is 522888387.

It is not a de Polignac number, because 783888225 - 2¹⁹ = 783363937 is a prime.

It is a super-2 number, since 2×783888225² = 1228961498587301250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51717 + ... + 65133.

It is an arithmetic number, because the mean of its divisors is an integer number (29117060).

Almost surely, 2^783888225 is an apocalyptic number.

783888225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

783888225 is a deficient number, since it is larger than the sum of its proper divisors (613730655).

783888225 is a wasteful number, since it uses less digits than its factorization.

783888225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490 (or 13485 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 783888225 is about 27998.0039467102. The cubic root of 783888225 is about 922.0434356218.

The spelling of 783888225 in words is "seven hundred eighty-three million, eight hundred eighty-eight thousand, two hundred twenty-five".