826468819 has 4 divisors (see below), whose sum is σ = 901602360. Its totient is φ = 751335280.

The previous prime is 826468813. The next prime is 826468831. The reversal of 826468819 is 918864628.

826468819 is digitally balanced in base 2, 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 826468819 - 2²⁵ = 792914387 is a prime.

It is a super-2 number, since 2×826468819² = 1366101417558509522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (826468813) 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, 37566754 + ... + 37566775.

It is an arithmetic number, because the mean of its divisors is an integer number (225400590).

Almost surely, 2^826468819 is an apocalyptic number.

826468819 is a deficient number, since it is larger than the sum of its proper divisors (75133541).

826468819 is a wasteful number, since it uses less digits than its factorization.

826468819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75133540.

The product of its digits is 1327104, while the sum is 52.

The square root of 826468819 is about 28748.3707190512. The cubic root of 826468819 is about 938.4449992163. Note that the first 3 decimals are identical.

The spelling of 826468819 in words is "eight hundred twenty-six million, four hundred sixty-eight thousand, eight hundred nineteen".