7828763 has 4 divisors (see below), whose sum is σ = 8169168. Its totient is φ = 7488360.

The previous prime is 7828747. The next prime is 7828781. The reversal of 7828763 is 3678287.

7828763 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7828763 - 2⁴ = 7828747 is a prime.

It is a super-2 number, since 2×7828763² = 122579060220338, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7828763.

It is not an unprimeable number, because it can be changed into a prime (7828783) 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, 170168 + ... + 170213.

It is an arithmetic number, because the mean of its divisors is an integer number (2042292).

Almost surely, 2^7828763 is an apocalyptic number.

7828763 is a deficient number, since it is larger than the sum of its proper divisors (340405).

7828763 is a wasteful number, since it uses less digits than its factorization.

7828763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340404.

The product of its digits is 112896, while the sum is 41.

The square root of 7828763 is about 2797.9926733285. The cubic root of 7828763 is about 198.5627208862.

Adding to 7828763 its sum of digits (41), we get a square (7828804 = 2798²).

The spelling of 7828763 in words is "seven million, eight hundred twenty-eight thousand, seven hundred sixty-three".