8255970390 has 32 divisors (see below), whose sum is σ = 19816957440. Its totient is φ = 2201300064.

The previous prime is 8255970367. The next prime is 8255970403. The reversal of 8255970390 is 930795528.

It is a happy number.

It is a super-2 number, since 2×8255970390² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306237 + ... + 332103.

It is an arithmetic number, because the mean of its divisors is an integer number (619279920).

Almost surely, 2^8255970390 is an apocalyptic number.

8255970390 is an abundant number, since it is smaller than the sum of its proper divisors (11560987050).

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

8255970390 is a wasteful number, since it uses less digits than its factorization.

8255970390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36516.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 8255970390 is about 90862.3705942124. The cubic root of 8255970390 is about 2021.1073226556.

The spelling of 8255970390 in words is "eight billion, two hundred fifty-five million, nine hundred seventy thousand, three hundred ninety".