828648514 has 4 divisors (see below), whose sum is σ = 1242972774. Its totient is φ = 414324256.

The previous prime is 828648503. The next prime is 828648517. The reversal of 828648514 is 415846828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 528770025 + 299878489 = 22995^2 + 17317^2 .

It is not an unprimeable number, because it can be changed into a prime (828648517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207162127 + ... + 207162130.

Almost surely, 2^828648514 is an apocalyptic number.

828648514 is a deficient number, since it is larger than the sum of its proper divisors (414324260).

828648514 is a wasteful number, since it uses less digits than its factorization.

828648514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414324259.

The product of its digits is 491520, while the sum is 46.

The square root of 828648514 is about 28786.2556439701. The cubic root of 828648514 is about 939.2692804618.

It can be divided in two parts, 82864 and 8514, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 828648514 in words is "eight hundred twenty-eight million, six hundred forty-eight thousand, five hundred fourteen".