826471872 has 42 divisors (see below), whose sum is σ = 2368934048. Its totient is φ = 275490432.

The previous prime is 826471871. The next prime is 826471907. The reversal of 826471872 is 278174628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826471871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716848 + ... + 717999.

Almost surely, 2^826471872 is an apocalyptic number.

It is an amenable number.

826471872 is an abundant number, since it is smaller than the sum of its proper divisors (1542462176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

826471872 is a wasteful number, since it uses less digits than its factorization.

826471872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434865 (or 1434852 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 826471872 is about 28748.4238176635. The cubic root of 826471872 is about 938.4461547627.

The spelling of 826471872 in words is "eight hundred twenty-six million, four hundred seventy-one thousand, eight hundred seventy-two".