8642280485 has 16 divisors (see below), whose sum is σ = 10422043632. Its totient is φ = 6879667200.

The previous prime is 8642280457. The next prime is 8642280499. The reversal of 8642280485 is 5840822468.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1044194596 + 7598085889 = 32314^2 + 87167^2 .

It is not a de Polignac number, because 8642280485 - 2⁶ = 8642280421 is a prime.

It is a Duffinian number.

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, 2259875 + ... + 2263695.

It is an arithmetic number, because the mean of its divisors is an integer number (651377727).

Almost surely, 2^8642280485 is an apocalyptic number.

It is an amenable number.

8642280485 is a deficient number, since it is larger than the sum of its proper divisors (1779763147).

8642280485 is a wasteful number, since it uses less digits than its factorization.

8642280485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its (nonzero) digits is 983040, while the sum is 47.

The square root of 8642280485 is about 92963.8665557753. The cubic root of 8642280485 is about 2052.1516559868.

The spelling of 8642280485 in words is "eight billion, six hundred forty-two million, two hundred eighty thousand, four hundred eighty-five".