828199539471 has 4 divisors (see below), whose sum is σ = 1104266052632. Its totient is φ = 552133026312.

The previous prime is 828199539449. The next prime is 828199539547. The reversal of 828199539471 is 174935991828.

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

It is not a de Polignac number, because 828199539471 - 2⁶ = 828199539407 is a prime.

It is a super-3 number, since 3×828199539471³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828199534471) 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, 138033256576 + ... + 138033256581.

It is an arithmetic number, because the mean of its divisors is an integer number (276066513158).

Almost surely, 2^828199539471 is an apocalyptic number.

828199539471 is a deficient number, since it is larger than the sum of its proper divisors (276066513161).

828199539471 is a wasteful number, since it uses less digits than its factorization.

828199539471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276066513160.

The product of its digits is 39191040, while the sum is 66.

The spelling of 828199539471 in words is "eight hundred twenty-eight billion, one hundred ninety-nine million, five hundred thirty-nine thousand, four hundred seventy-one".