8280473287 has 4 divisors (see below), whose sum is σ = 8283968056. Its totient is φ = 8276978520.

The previous prime is 8280473281. The next prime is 8280473291. The reversal of 8280473287 is 7823740828.

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

It is a cyclic number.

It is not a de Polignac number, because 8280473287 - 2²³ = 8272084679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8280473287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280473281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743828 + ... + 1748569.

It is an arithmetic number, because the mean of its divisors is an integer number (2070992014).

Almost surely, 2^8280473287 is an apocalyptic number.

8280473287 is a deficient number, since it is larger than the sum of its proper divisors (3494769).

8280473287 is a wasteful number, since it uses less digits than its factorization.

8280473287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494768.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The square root of 8280473287 is about 90997.1059265074. The cubic root of 8280473287 is about 2023.1048294999.

The spelling of 8280473287 in words is "eight billion, two hundred eighty million, four hundred seventy-three thousand, two hundred eighty-seven".