8205156470 has 32 divisors (see below), whose sum is σ = 17461224000. Its totient is φ = 2716189056.

The previous prime is 8205156457. The next prime is 8205156497. The reversal of 8205156470 is 746515028.

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, 2018945 + ... + 2023004.

It is an arithmetic number, because the mean of its divisors is an integer number (545663250).

Almost surely, 2^8205156470 is an apocalyptic number.

8205156470 is an abundant number, since it is smaller than the sum of its proper divisors (9256067530).

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

8205156470 is a wasteful number, since it uses less digits than its factorization.

8205156470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041992.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 8205156470 is about 90582.3187493012. The cubic root of 8205156470 is about 2016.9522766794.

The spelling of 8205156470 in words is "eight billion, two hundred five million, one hundred fifty-six thousand, four hundred seventy".