8047208285 has 4 divisors (see below), whose sum is σ = 9656649948. Its totient is φ = 6437766624.

The previous prime is 8047208233. The next prime is 8047208287. The reversal of 8047208285 is 5828027408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1425968644 + 6621239641 = 37762^2 + 81371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8047208285 is a prime.

It is a super-2 number, since 2×8047208285² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8047208287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804720824 + ... + 804720833.

It is an arithmetic number, because the mean of its divisors is an integer number (2414162487).

Almost surely, 2^8047208285 is an apocalyptic number.

It is an amenable number.

8047208285 is a deficient number, since it is larger than the sum of its proper divisors (1609441663).

8047208285 is a wasteful number, since it uses less digits than its factorization.

8047208285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609441662.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 8047208285 is about 89706.2332561121. The cubic root of 8047208285 is about 2003.9263107480.

The spelling of 8047208285 in words is "eight billion, forty-seven million, two hundred eight thousand, two hundred eighty-five".