825406870 has 8 divisors (see below), whose sum is σ = 1485732384. Its totient is φ = 330162744.

The previous prime is 825406867. The next prime is 825406889. The reversal of 825406870 is 78604528.

825406870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41270334 + ... + 41270353.

It is an arithmetic number, because the mean of its divisors is an integer number (185716548).

Almost surely, 2^825406870 is an apocalyptic number.

825406870 is a deficient number, since it is larger than the sum of its proper divisors (660325514).

825406870 is a wasteful number, since it uses less digits than its factorization.

825406870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82540694.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 825406870 is about 28729.8950572396. The cubic root of 825406870 is about 938.0428836722.

The spelling of 825406870 in words is "eight hundred twenty-five million, four hundred six thousand, eight hundred seventy".