825472806 has 32 divisors (see below), whose sum is σ = 1762801920. Its totient is φ = 257071584.

The previous prime is 825472759. The next prime is 825472807. The reversal of 825472806 is 608274528.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825472807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63621 + ... + 75488.

It is an arithmetic number, because the mean of its divisors is an integer number (55087560).

Almost surely, 2^825472806 is an apocalyptic number.

825472806 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

825472806 is an abundant number, since it is smaller than the sum of its proper divisors (937329114).

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

825472806 is a wasteful number, since it uses less digits than its factorization.

825472806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139180.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 825472806 is about 28731.0425498275. The cubic root of 825472806 is about 938.0678609090.

The spelling of 825472806 in words is "eight hundred twenty-five million, four hundred seventy-two thousand, eight hundred six".